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107 Wire Size Specifications Wire Type Dimensions (inches) Stranding Rated Current (amps) Weight lbs./1,000 ft. Wire Type Dimensions (inches) Stranding Rated Current (amps) Weight lbs./1,000 ft. 20/2 POXT .096 x .185 26/34 3 18 18/3 SVTO .260 41/34 10 42 18/2 SPT-1 .105 x .203 41/34 10 20 18/2 SJT .298 16/30 10 44 18/2 SPT-2 .140 x .262 41/34 10 29 16/2 SJT .330 26/30 13 57 16/2 SPT-2 .155 x .285 65/34 13 37 18/3 SJT .320 16/30 10 59 18/2 HPN .144 x .286 41/34 10 30 16/3 SJT .345 26/30 13 72 16/2 HPN .155 x .305 65/34 13 38 14/3 SJT .375 41/30 15 94 18/3 SPT-1 .110 x .303 41/34 10 31 12/3 SJT .445 65/30 20 136 18/3 SPT-2 .140 x .335 41/34 10 37 18/3 SV .255 41/34 10 33 18/3 SPT-3 .170 x .380 41/34 10 48 18/3 SJ .320 16/30 10 60 16/3 SPT-2 .155 x .380 65/34 13 49 16/3 SJ .345 26/30 13 74 16/3 SPT-3 .185 x .435 65/34 13 62 14/3 SJ .375 41/30 15 97 14/3 SPT-3 .235 x .500 41/30 15 97 12/3 SJ .449 65/30 20 140 18/3 HPN .136 x .335 41/34 10 42 18/3 SJO .320 16/30 10 60 16/3 HPN .150 x .365 65/34 13 55 16/3 SJO .345 26/30 13 74 18/2 SVT .240 41/34 10 34 14/3 SJO .375 41/30 15 87 18/2 SVT .230 65/36 10 34 18/3 SO .382 16/30 10 92 18/3 SVT .255 41/34 10 42 16/3 SO .400 26/30 13 112 18/3 SVT .245 65/36 10 42 14/3 SO .549 41/30 15 192 Harmonization Codes 108 Wire Comparison 109 Straight Blade NEMA Configurations 110 Locking NEMA Configurations 111 International Standardized Appliance Connectors IEC-60320 Metric Conversion Guide 112 Plug & Receptacle Dimensions All dimensions are in mm (millimeters) 113 114 115 116 117 118 Country Voltage / Frequency Afghanistan 220V / 50Hz Algeria 127/220V / 50Hz American Samoa 120/240V / 60Hz Andorra 220-230V / 50Hz Angola 220V / 50Hz Anguilla 240V / 50Hz Antigua 230V / 60Hz Argentina 220V / 50Hz Aruba 115/127V / 60Hz Australia 240V / 50Hz Austria 220-230V / 50Hz Azores 220-230V / 50Hz Bahamas 120V / 60Hz Bahrain 220V / 50Hz Bangladesh 220V / 50Hz Barbados 115V / 50Hz Belarus 220V / 50Hz Belgium 220-230V / 50Hz Belize (Br.Hond.) 110V / 60Hz Benin 220V / 50Hz Bermuda 120V / 60Hz Bolivia 110-115/220V / 50Hz Bosnia-Herzegovina 220V / 50Hz Botswana 220V / 50Hz Brazil 110-220V / 60Hz Bulgaria 220V / 50Hz Burkina Faso 220V / 50Hz Burma 230V / 50Hz Burundi 220V / 50Hz Cambodia 120-220V / 50Hz Cameroon 220-230V / 50Hz Canada 120V / 60Hz Canary Islands (Spain) 220V / 50Hz Cape Verde, Rep. of 220V / 50Hz Cayman Islands 120V / 60Hz Central African Rep. 220V / 50Hz Chad 220V / 50Hz Channel Islands 240V / 50Hz Chile 220V / 50Hz China, People's Rep. of 220V / 50Hz Christmas Isl. (Aust.) 240V / 50Hz Cocos Isl. (Austrail.) 240V / 50Hz Colombia 110-220V / 60Hz Congo, Rep. of 220V / 50Hz Cook Island (N.Z.) 240V / 50Hz Costa Rica 120V / 60Hz Croatia 220V / 50Hz Cuba 120V / 60Hz Curacao Island 110-220V / 60Hz Cyprus 240V / 50Hz Czech Republic 220V / 50Hz Denmark 220-230V / 50Hz Djibouti, Rep. of 220V / 50Hz Dominica 230V / 50Hz Dominican Rep. 110V / 60Hz Ecuador 120V / 60Hz Egypt 220V / 50Hz El Salvador 115V / 60Hz England 240V /50Hz Equatorial Guinea 220V / 50Hz Estonia 220V / 50Hz Ethiopia 220V / 50Hz Fiji 240V / 50Hz Finland 220-230V / 50Hz France 220-230V / 50Hz French Guyanda 220V / 50Hz Gabon 220V / 50Hz Gambia 220V / 50Hz Germany 220-230V / 50Hz Ghana 220V / 50Hz Country Voltage / Frequency Gibraltar Greece Greenland (Den.) Grenada Guadeloupe Guam Guatemala Guinea Guinea-Bissau Guyana Haiti Honduras Hong Kong Hungary Iceland India Indonesia Iran Iraq Ireland Isle of Man Israel Italy Ivory Coast Jamaica Japan Jordon Kenya Korea Kuwait Laos Latvia Lebanon Lesotho Lettonia Liberia Libya Liechtenstein Lithuania Luxembourg Macao Madagascar Madeira (Portugal) Majorca Malawi Malaysia Maldives Mali, (Rep. of) Malta Martinique Mauritania Mauritius Mexico Moldova Monaco Mongolia Montseurrat Morocco Mozambique Namibia (W.S. Africa) Nepal Neth. Antilles Netherlands New Caledonia New Guinea New Zealand Nicaragua Niger Nigeria No. Ireland 240V / 50Hz 220-230V / 50Hz 220V / 50Hz 230V /50Hz 220V / 50Hz 110-120V / 60Hz 120V / 60Hz 220V / 50Hz 220V / 50Hz 110V / 50-60Hz 110-120V / 50-60Hz 110V / 60Hz 200V / 50Hz 220V / 50Hz 220V / 50Hz 220-250V / 50Hz 220V / 50Hz 220V / 50Hz 220V / 50Hz 220V / 50Hz 240V / 50Hz 230V / 50Hz 220-230V / 50Hz 220V / 50Hz 110V / 50Hz 100V / 50-60Hz 220V / 50Hz 240V / 50Hz 220V / 50-60Hz 240V / 50Hz 220V / 50Hz 220V / 50Hz 110-120V / 50Hz 240V / 50Hz 220V / 50Hz 120V / 60Hz 127-230V / 50Hz 220V / 50Hz 220V / 50Hz 220-230V / 50Hz 220V / 50Hz 220V / 50Hz 220V / 50Hz 220V / 50Hz 230V / 50Hz 240V / 50Hz 230V / 50Hz 220V / 50Hz 240V / 50Hz 220V / 50Hz 220V / 50Hz 230V / 50Hz 127V / 60Hz 220V / 50Hz 220V / 50Hz 220V / 50Hz 230V / 60Hz 220V / 50Hz 220V / 50Hz 220-250V / 50Hz 220V / 50Hz 120V / 60Hz 220-230V / 50Hz 220V / 50Hz 220V / 50Hz 230V / 50Hz 120V / 60Hz 220V / 50Hz 230V / 50Hz 220V / 50Hz Country Voltage / Frequency No. Mariana Is. Norfolk Is. (Aust.) Norway Okinawa Oman Pakistan Panama Papua New Guinea Paraguay Peru Philippines Pitcairn Is. (U.K.) Poland Portugal Puerto Rico Qatar Romania Russia Rwanda Saudi Arabia Scotland Senegal Serbia Seychelles Sierra Leone Singapore Slovakia Somalia South Africa Spain Sri Lanka St. Kitts & Nevis St. Lucia St. Pierre & Miquelon St. Vincent Sudan Surinam Svalbard (Norway) Swaziland Sweden Switzerland Syria Tahiti Taiwan Tanzania Thailand Togo Tonga Trinidad & Tobango Tunisia Turkey Uganda Ukraine United Arab Emir. United Kingdom United States Uruguay Venezuela Vietnam Virgin Islands Wales Western Samoa Yemen Yugoslavia (former) Zaire, Rep. of Zambia Zimbabwe 115V / 60Hz 240V / 50Hz 220-230V / 50Hz 110-120V / 60Hz 240V / 50Hz 230V / 50Hz 110-120V / 60Hz 240V / 50Hz 220V / 50Hz 110-120V / 50/60Hz 115V / 60Hz 240V / 50Hz 220V / 50Hz 220-230V / 50Hz 120V / 60Hz 240V / 50Hz 220V / 50Hz 220V / 50Hz 220V / 50Hz 127-220V / 50/60Hz 220V / 50Hz 220V / 50Hz 220V / 50Hz 240V / 50Hz 230V / 50Hz 230V / 50Hz 220V / 50Hz 110-220V / 50Hz 220-250V / 50Hz 220-230V / 50Hz 230V / 50Hz 230V / 60Hz 240V / 50Hz 115V / 60Hz 230V / 50Hz 240V / 50Hz 115V / 60Hz 220V / 50Hz 230V / 50Hz 220-230V / 50Hz 220-230V / 50Hz 220V / 50Hz 220V / 50 Hz 110V / 60Hz 230V / 50Hz 220-230V / 50Hz 220V / 50Hz 115V / 60Hz 115-230V / 60Hz 220V / 50Hz 220V / 50Hz 240V / 50Hz 220V / 50Hz 220-230V / 50Hz 240V / 50Hz 120V / 60Hz 220V / 50Hz 120V / 60Hz 120-220V / 50Hz 120V / 60Hz 220V / 50Hz 230V / 50Hz 220V / 50Hz 220V / 50Hz 220V / 50Hz 220V / 50Hz 220V / 50Hz 119 Country 120 Page P/N A Afghanistan Albania Algeria Andorra Angola Antigua and Barbuda Argentina Armenia Aruba Australia Austria Azerbaijan Azores 42 19 32 19 19 26 45 19 19 32 19 19 42 8580.098 8500.098 8530.098 8500.098 8500.098 9650.098 9000.098 8500.098 8500.098 8530.098 8500.098 8500.098 8580.098 B Bahamas Bahrain Balearic Island Bangladesh Barbados Belarus Belgium Belize Benin Bermuda Bhutan Bolivia Bosnia and Herzegovina Botswana Brazil Brunei Bulgaria Burkina Faso Burma/Myanmar Burundi 5 26 19 42 5 19 19 5 42 19 42 19 19 26 46 26 19 25 26 19 2500.072 9650.098 8500.098 8580.098 2500.072 8500.098 8500.098 2500.072 8580.098 9650.098 8580.098 8500.098 8500.098 9650.098 2550.072 9650.098 8500.098 8002.079 9650.098 8500.098 C Cambodia Cameroon Canada Canary Islands (spain) Cape Verde Cayman Islands Central African Republic Chad Channel Islands Chile China Christmas Island (Australia) Cocos Islands (Australia) Colombia Comoros Congo, Democratic Republic of Cook Island (N.Z.) Costa Rica Cote d'Ivoire/Ivory Coast Croatia Cuba Curacao Island Cyprus Czech Republic 25 19 5 19 19 4 25 19 26 38 43 32 32 30 19 25 32 5 25 19 5 19 26 19 8002.079 8500.098 2500.072 8500.098 8500.098 2500.072 8002.079 8500.098 9650.098 8550.098 8590.098 8530.098 8530.098 2003.098 8500.098 8002.079 8530.098 2500.072 8002.079 8500.098 2500.072 8500.098 9650.098 8500.098 D Denmark Djibouti, Republic of Dominica Dominican Republic 36 19 26 5 8540.098 8500.098 9650.098 2500.072 E East Timor Ecuador 19 5 8500.098 2500.072 Country Page P/N Egypt El Salvador England Equatorial Guinea Eritrea Estonia Ethiopia 25 5 26 25 19 19 19 8002.079 2500.072 9650.098 8002.079 8500.098 8500.098 8500.098 F Faeroe Islands Falkland Islands Fiji Finland France French Giuana 19 26 32 19 19 19 8500.098 9650.098 8530.098 8500.098 8500.098 8500.098 G Gabon Gambia Gaza Germany Ghana Gibraltar Greece Greenland (Den.) Grenada Guadeloupe Guam Guatemala Guinea Guinea-Bissau Guyana 19 26 42 19 26 26 19 36 26 19 5 5 19 19 26 8500.098 9650.098 8580.098 8500.098 9650.098 9650.098 8500.098 8540.098 9650.098 8500.098 2500.072 2500.072 8500.098 8500.098 9650.098 H Haiti Honduras Hong Kong Hungary 5 5 26 19 2500.072 2500.072 9650.098 8500.098 I Iceland India Indonesia Iran Iraq Ireland Isle of Man Israel Italy 19 42 19 19 26 26 26 40 38 8500.098 8580.098 8500.098 8500.098 9650.098 9650.098 9650.098 8560.098 8550.098 J Jamaica Japan Jordan 5 29 26 2500.072 2000.098 9650.098 K Kazakstan Kenya Kiribati Korea Krakozhia Kuwait 19 26 32 35 19 26 8500.098 9650.098 8530.098 8704.098 8500.098 9650.098 L Laos Latvia Lebanon Lesotho Lettonia Liberia Libya Liechtenstein 5 19 26 42 19 26 38 37 2500.072 8500.098 9650.098 8580.098 8500.098 9650.098 8550.098 8520.098 Country Page P/N Lithuania Luxembourg 19 19 8500.098 8500.098 M Macao Macedonia Madagascar Madeira (Portugal) Majorca Malawi Malaysia Maldives Mali Malta Martinique Mauritania Mauritius Mexico Micronesia Moldova Monaco Mongolia Montseurrat Morocco Mozambique 42 19 19 19 19 26 26 42 19 26 19 25 26 5 5 19 19 25 26 19 19 8580.098 8500.098 8500.098 8500.098 8500.098 9650.098 9650.098 8580.098 8500.098 9650.098 8500.098 8002.079 9650.098 2500.072 2500.072 8500.098 8500.098 8002.079 9650.098 8500.098 8500.098 N Namibia (W.S. Africa) Nauru Nepal Netherlands Neth.Antilles New Caledonia New Guinea New Zealand Nicaragua Niger Nigeria No. Ireland No. Mariana Island Norfolk Island (Australia) Norway 42 32 42 19 25 19 19 32 5 19 26 26 5 32 19 8580.098 8530.098 8580.098 8500.098 8002.079 8500.098 8500.098 8530.098 2500.072 8500.098 9650.098 9650.098 2500.072 8530.098 8500.098 O Okinawa Oman 19 26 8500.098 9650.098 P Pakistan Palmyra Atoll Panama Papua New Guinea Paraguay Peru Philippines Pitcairn Islands (U.K.) Poland Portugal Puerto Rico 42 5 5 32 25 5 5 42 19 19 5 8580.098 2500.072 2500.072 8530.098 8002.079 2500.072 2500.072 8580.098 8500.098 8500.098 2500.072 Q Qatar 26 9650.098 R Reunion Island Romania Russia Rwanda 19 19 19 25 8500.098 8500.098 8500.098 8002.079 S Saint Kitts and Nevis Saint Lucia 26 26 9650.098 9650.098 Country Page P/N Saint Pierre & Miquelon Saint Vincent Saudi Arabia Scotland Senegal Serbia & Montenegro Seychelles Sierra Leone Singapore Slovakia Slovenia Somalia South Africa Spain Sri Lanka Sudan Suriname Svalbard (Norway) Swaziland Sweden Switzerland Syria 19 26 5 26 19 19 26 26 26 19 19 19 42 19 42 26 19 19 42 19 37 19 8500.098 9650.098 2500.072 9650.098 8500.098 8500.098 9650.098 9650.098 9650.098 8500.098 8500.098 8500.098 8580.098 8500.098 8580.098 9650.098 8500.098 8500.098 8580.098 8500.098 8520.098 8500.098 T Tahiti Taiwan Tajikistan Tanzania Thailand Togo Tonga Trinidad and Tobago Tunisia Turkey Turkmenistan 19 5 19 26 5 19 42 26 25 19 19 8500.098 2500.072 8500.098 9650.098 2500.072 8500.098 8580.098 9650.098 8002.079 8500.098 8500.098 U Uganda Ukraine United Arab Emirates United Kingdom United States Uruguay Uzbekistan 42 19 26 26 5 32 19 8580.098 8500.098 9650.098 9650.098 2500.072 8530.098 8500.098 V Vanuatu Vatican Venezuela Vietnam Virgin Islands 32 19 5 19 5 8530.098 8500.098 2500.072 8500.098 2500.072 W Wales Western Samoa 26 32 9650.098 8530.098 Y Yemen Yugoslavia (former) 26 19 9650.098 8500.098 Z Zambia Zaire, Republic of Zimbabwe 26 19 26 9650.098 8500.098 9650.098 North America & Canada 121 Value Added & Packaging 122 123 1U - Unit of rack measurement equal to 1.75" on which panel heights are based [EIA (Electronic Industries Association)-310-D.] Abrasion Resistance - The ability to resist surface wear. Alternating Current - (A-C) The charge flow of a current periodically and regularly reverses in a cyclic manner. American Wire Gauge (AWG) - This is the standardized system for identifying wire diameter of copper conductors. It comes from a North American wire and cable-sizing standard. This gauge utilizes an inverse relationship to the size. So the higher the number, the smaller the cable. An example of this would be that a small gauge North American cable with three conductors could be 3x18 AWG. This could be expressed as 18/3 AWG. A cable sized 3x10 (10/3) is significantly larger, due to the smaller number. It is also referred to as the Brown and Sharpe (B&S) wire gauge. Ampacity - This is the capability to handle electric current as expressed in amperes. It is the highest current an insulated conductor can handle before it exceeds the insulation or jacket temperature limits. Also known as Current carrying capacity Ampere - (A) Unit that expresses rate of flow of an electrical current. One ampere is the current flowing through one OHM of resistance at one volt potential. Appliance coupler - The combination of a connector and inlet that enables the connection and disconnection of a cord to equipment. Approval - After a complete product or component part is tested by a testing agency, the test results may be represented in the form of an approval. Agencies which grant approvals on components include SEMKO, FIMKO, NEMKO, DEMKO, KEMA, CEBEC, SEV, OVE, and, in some cases, VDE. See also Certification and Recognition. Boot - A protective layer covering any part of a conductor or cable as well as its insulation or jacket. Breakdown Voltage - This is the amount of voltage at which the insulation deteriorates. This could be the insulation between two conductors or a conductor and ground. BSI (British Standards Institution) - A standards writing organization and a testing agency. BSI typically approves consumer goods and end use products. Bunch Stranding - This is the twisting of wires together within the same frequency in order to achieve a specific gauge. CEBEC (Committee for Electrotechnical Belgium European Community) - Independent Belgian service company providing product and system certifications, CE Marking assistance, training, and advice for manufacturers, businesses, and authorities. CE Marking - In its simplest form, the CE Marking is an electrical device’s passport that allows it to enter Europe. It symbolizes that the equipment complies with all requirements relating to safety, public health, consumer protection or other requirements defined in directives issued by the Council of the European Union. It is neither an agency approval nor a quality mark. It is a self-declared conformity to EU (European Union) directives. It allows the responsible customs official to know at a glance that the equipment is authorized to enter and to circulate freely within the EU. CENELEC [Comite European de Normalisation Electrotechnique (European Committee for Electrotechnical Standardization)] - Promotes European harmonization and works with technical experts to publish standards for the European market in support of this goal. Certification - Another of the terms used to describe the results of testing by one of the national agencies. Example: CSA certifies products, once tested and found to be satisfactory and consistent with CSA standards. Certification comes in the form of a document and permission to use the CSA mark. (Electric) - An electrical circuit is a complete path of electrical current. It is considered to be an open circuit when the continuity is broken and a closed circuit when continuity is maintained. Circuit Breakers for Equipment - Circuit protection device that falls into the supplementary circuit protection category. It is designed to shut off electrical current, before overcurrent damage can occur in the equipment. Sometimes written as CBE. Conductivity - This word is used to describe the capability of any material to carry an electrical charge. It is typically expressed in terms of the percentage of copper conductivity. Copper has one hundred percent conductivity. Conductor - This is any material in which electrons can freely move from atom to atom, which is electrical current flow. It is usually metal and in the case of power supply cords, a wire or combination of wires not insulated from one another. Conductors could be a wire, that is solid, or stranded of a multiwire cable. Cords could consist of two or three conductors. Continuity Check - This is a test used to determine if an electrical current will flow continuously throughout the length of a wire or cable. Continental Europe - Continental Europe refers to a large portion of Europe that uses the CEE 7/7 (or Schuko) plug/socket pattern. The countries included are Germany, France (plug only), Belgium (plug only), Austria, the Netherlands, Norway, Sweden, Finland, Russia, and a few other countries throughout Europe. Cord - This is a small insulated flexible cable made to withstand mechanical abuse. There is not a clear distinction in terms of size between a cable and a cord. Generally a cord should be a size AWG 10 and smaller. Cordset - This is a detachable way for supplying electricity from the main supply to an electrical device. It has a female appliance coupler or connector at one end and a male plug at the other. The standard connector for the interface between the electrical device and the cordset is an IEC 60320-1 connector. CSA (Canadian Standards Association) - This is the equivalent of the Underwriters Laboratories, and is a non-profit organization operating a listing, testing, and approval service for equipment and materials. DEMKO - Danish test lab. In 1996, Underwriters Laboratories, Inc purchased DEMKO A/S. In 2000, DEMKO A/S changed its name to UL International DEMKO A/S. EMI/RFI (Electromagnetic Interference/Radio Frequency Interference) - Phenomenons that are generated in nature and in electrical equipment as a result of switch closures, and by motors, inductors, and various other complex electrical circuits. EMI/RFI is conducted from the point of origin either through the cables or by radiation through air. In either case, it may present performance problems for adjacent equipment. EMI and RFI are sometimes considered as separate entities, but many companies and organizations tend to combine these terms into one. By definition, EMI and RFI have their own individual frequency ranges, which heavily overlap. Europlug - This is an international plug used by many European countries. It is the common name for the CEE 7/16 2.5 amp, Class II plug. Farad - A unit of electrical capacity 124 Ferrite bead - An iron component that when attached around a power cord will serve to help prevent spurious signals transmitted by conductance and radiation. Ferrite beads have been found to reduce EMI and RFI noise especially when affixed to both ends of the power cord. Inner Conductor Colors Function North American (NA) Hot Black Neutral White Earth (ground) Green Filler - Term used with cable. Filler consists of a non-conducting material such as jute, plastic strands, or plastic fibers. Filler is used to assure the cable maintains a circular appearance during the extrusion process. It also provides tensile strength to the cable assembly. Tensile strength is important in cable that may be placed in situations where large amounts of stretching may occur. The filler helps to prevent the cable from over stretching and strands from being pulled to a breaking point. Insulation - Insulation is any material having high resistance to the flow of electric current. It protects the inner conductors of an electrical cord. Flanged Inlets, Outlets - A flanged nylon housing that permits mounting in a panel on the front of the equipment for an electrical inlet or outlet, that is held in place by screws and bolts. Frequency - This is measured in Hertz and is the number of times an alternating current repeats its cycle in one second. The standard international frequency is 50Hz and the standard North American frequency is 60Hz. Fuse - Supplementary circuit protection device in which a conductive element is designed to melt and open the circuit in the event a fault occurs that exceeds the time-current characteristic for that condition. The common sizes for fuses are 1/4 x 1 1/4-inch fuses (North American) and 5 x 20mm fuses (international and North American). Gauge - This is an indication of the physical size of a wire or the wire diameter specifications. The number of the gauge is in an inverse relationship to the size of the wire. So the larger the wire the smaller the number of the gauge will be. Ground - This is a complete circuit accomplished through a conductive connection between an electrical circuit and the earth or another large conducting body. <HAR> - A marking on cable to indicate that it is harmonized cable. This means that it was made in Europe. Harmonized cable is made in Europe to the HD 21 and HD 22 standards. Cable made elsewhere can be made to these standards, but will not be allowed to display the harmonized mark. Harmonized Cable - Cable that meets the requirements of Harmonized Documents HD-21 or HD-22 and will carry at least one safety agency approval that is recognized by other European safety agencies. Hi-pot - A test designed to determine the highest potential that can be applied to a conductor without breaking through the insulation. High Voltage - Generally this is considered any operating voltage over 600 volts. International (ICC) Brown Blue Green w/ yellow stripe IP (Ingress Protection) Rating - Indicates the degree of protection provided by the enclosures of electrical equipment and devices, according to IEC 60529. The types of protection covered by this system of classification are: a) protection of persons against contact with or approach to live parts and against contact with moving parts inside the enclosure, and protection against entrance by foreign bodies (dust, filings, etc); and b) protection of the equipment inside the enclosure against harmful intrusion of water. ISO (International Standards Organization) - Quality standards writing agency of standards for business, government, and society. Jacket - This material that covers over wire and cable provides protection and additional insulation. It is usually extruded plastic or elastomer. · S - Designated for heavy duty, rubber insulated portable cord. Stranded copper conductors with separator and individual rubber insulation. Two or more color-coded conductors cables with filler, wrapped with separator and rubber jackets overall, 600v. · SEOW-A - Extra hard service cord. Thermoplastic 600 volt, weather resistant for outdoor use. · SJ - Junior hard service rubber insulated pendant or portable cord. Same construction as SJT except insulation and jacket is thermoset (rubber) 300V. · SJO - Same as SJ but neoprene, oil resistant compound out jacket, 300V, 60°C. · SJT - Designated for junior hard service thermoplastic or rubber insulated conductors with overall thermoplastic outer jacket, 300V, 60°C. · SJTO - Same as SJT but oil resistant thermoplastic outer jacket. · SJTW - A hard service cord. Thermoplastic constructed jacket.300V, weather resistant for outdoor use. · SPT-1 - Thermoplastic constructed, parallel jacketed, 300V, 2 or 3 conductor, 18 gauge. Hospital Grade - See Medical Products · SPT-2 - Same as SPT-1, but heavier construction, 18 - 16 gauge. HPN - Parallel Heater Cord, typically Neoprene-insulated two conductor. · SPT-3 - Same as SPT-2, but heavier construction, 18 - 10 gauge. IEC 60320 (Formerly IEC 320) - International Electrotechnical Commission standard that applies to a series of connectors, plugs, outlets and inlets designed for use on electrical or electronic equipment such as portable equipment such as computers, printers, and medical equipment. · SO - Designated for a 600 Volt senior service, oil resistant neoprene jacket cord. Same construction as type S except for neoprene jacket. IMQ (Instituto Italiano Del Marchio Di Qualita) - Test and approval agency for Italy. · ST - Hard Service Cord, jacketed same as type S except all plastic construction, 600V 60 degrees to 105 degrees. Inlet - The input power connection on equipment. Inlets are the male connection devices that provide access for electricity to enter the equipment. An example would be the IEC 60320 C14 inlet. · STO - Same as ST with oil resistant outer jacket (600V). · SO-W - Heavy Duty SO-dual rated type W. · STW - Same as ST with extra hard service material. Weather 125 · SV - Designated for vacuum clear cord, 2 or 3 conductor, rubber insulated. Overall rubber jacket. For light duty in damp location. 300V, 60°C. · SVT - Same as SV except all plastic construction. With or without 3rd conductor grounding purposes only. 300V, 6090°C. · VW-1 - This is a rating established by UL for wire and cables that pass a specifically designed vertical flame test for flammability. It is formerly designated as FR-1. JIS (Japanese Industrial Standards Committee) - Develops standards and provides certification testing in Japan. Kilowatt - (kW) A unit of power equal to one thousand watts. Line Cord - This is a cord that ends with a plug at one end and is utilized for connecting equipment to a power outlet. Locking plugs - Configuration of blades on a plug that allow the plug to be locked into a socket, making the connection immovable to force. The NEMA pattern and numbering system places an L in front of the numbers, to indicate a locking configuration. For example, a NEMA L5-15P is a locking plug rated 15amps at 125VAC. Medical Products - These are products specifically manufactured for use in hospitals, doctor and dentist offices, or in home treatment of patients used in the patients care or recovery. Medical products, including cord sets, fall under special standards and have special requirements in some applications. Plug - A plug is the cable mount portion of an electrical connection or male contact device and has pins or blades protruding from the face. It is also called an attachment plug. PVC - Polyvinyl chloride compound used in the thermoplastic SVT, SJT ... Polarization - There are two types of polarization to consider when dealing with international plugs and sockets: 1) Physical Polarization—Characteristics of a plug that only allow the plug to be plugged in a certain way. 2) Electrical Polarization— Referring to the Line and Neutral being specified as always being connected to a specific pin location. Polarization of European Plugs and Sockets - Some European plug and socket patterns pose a problem in regards to polarization. Plug and socket patterns such as the Italian and the Schuko are physically unpolarized, meaning they can be plugged into a socket in more than one manner. The “Schuko” or Continental European standard is especially difficult, as it is not electrically polarized either, meaning the standards governing this pattern do not indicate a specific location for the hook-up of line and neutral. The French/Belgian pattern allows for physical polarization of the plug, but once again the standard does not indicate a specific electrical polarization. In other words, the socket may be wired either way. When designing for export, it is very important to take into account how unpolarized plug and socket patterns will affect your equipment. Multiconductor - This is an indication that there is more than one conductor within one cord or cable complex. Power Supply Cord - An attachment plug molded to a length of flexible cord. May also include a molded strain relief or terminations on the opposite end of the plug. N.A. - North American color code on the inner conductors (black, white, green). See Inner Conductor Colors. Quail Electronics - The best source for power cords. NEMA - National Electrical Manufacturers Association (NEMA) is a standard setting agency for the United States and supplies a forum for the standardization of electrical equipment, shapes public policy, gathers, compiles and analyzes statistics and data in the marketplace, and monitors legislation that may affect the industry. Quick Disconnects - Blade type connectors, which mate with a simple, formed sheet metal part. Most electrical components are manufactured with the male half of the quick disconnect. The female half is normally mounted on the connecting lead. Neoprene - This is a synthetic rubber that has good resistance to chemical, oil and flame and is also called Polychloroprene. Rack-mount Power Distribution Units - A product line that is a division of our Accessory Power Strips. Our Power Distribution Units are 19" rack-mounting products that distribute power to equipment in a rack environment. Nylon - This is an abrasion resistant thermoplastic with effective chemical resistance utilized for cable and wire jacketing, wiring devices, connectors and plugs. Rated Voltage - The maximum voltage at which an electric component can operate for extended periods without undo degradation or safety hazard. OD - Abbreviation for outside diameter. Receptacle - A contact device installed at the outlet for the connection of a single attachment plug. OHM - Unit of electrical resistance. Resistance of a circuit in which a potential difference of one volt produces a current of one ampere. OSHA (U.S. Occupational Safety and Health Administration) This agency was organized to reduce workplace safety hazards. Its equivalent in Germany is TUV. Outlet - An outlet is a female connection that supplies access to electricity from a source of power. Panel-mount - Component is mounted to a panel or the equipment, as opposed to cable. Panel-mounting can be screw/ flange-mount or snap-in mounting styles. PC-Board Mounting - PC board tabs (small, flat pins) extending from the back of the component’s contact pins. The component is placed on the PC board, the contact pins are inserted into the footprint, and solder is applied to make the electrical connection. 126 Pin and Sleeve - This refers to a receptacle, connector or plug that has round pins or sleeve type contacts. Recognition - When UL tests an electrical component, it normally issues component recognition. This attests to the fact that the agency found the component satisfactory for use in the applications for which it was designed and manufactured. UL also lists complete products (such as complete cordsets) and certain other components. Retaining Clamp - A mechanical devise used to secure a power cord to a piece of equipment. Typical applications would include medical equipment where an accidental disconnect could compromise a patients health. RFI - See EMI/RFI. Ribbed - Outer jacket is striated with ribs. ROJ - Remove Outer Jacket. SA (Standards Australia) - Australian body responsible for writing and publishing Australian standards. Works closely with SNZ (Standards New Zealand) on many standards. TUV (Technischer Uberwachungs-Verein) - German based International Testing and Certification organization. Its equivalent in the United States is OSHA. Schuko - Trade name commonly applied to the Continental European plugs and sockets. This word is derived from the word “shutzkontact,” which means protection contact or protected plug. Click for more information on Continental Europe. UL® (Underwriters Laboratories) - This non-profit organization administrates a rigorous schedule of tests developed for electrical and electronic materials. It is U.S. based and sets standards and tests electrical equipment for safety, and is the equivalent of CSA. Shielded-type cable - A cable in which the conductors are enclosed in a conducting envelope constructed so that substantially every point of the surface of the insulation is at ground potential or at some predetermined potential with respect to ground under normal operating conditions. “Splash resistant” socket – Socket covered with a spring-loaded flip-lid to protect the electrical outlet. These “splash resistant” sockets are suited for environments with airborne dirt and splashing liquid. They can be mounted on machinery used in areas where dust or by-products of manufacturing may come in contact with a machine-mounted socket without fear of harming or obstructing the socket. Strain Reliefs - The main function of a strain relief is to protect the electrical connection and circuitry inside equipment. It also relieves strain or pressure on the outer jackets of the cable. Strain reliefs can be a part of a molded plug or connector, or a separate component. The body clamps onto the power cord, and then connects firmly to the equipment panel. Strain relief components are used primarily in power cord applications where crimping, molding, or hand assembly can mount strain reliefs. They come in a variety of sizes, shapes, colors, and styles. “Universal” Jumper Power Cords - These interconnection devices are used in applications where the power source connection is an IEC outlet device. The male IEC plug can make the connection for power. A jumper power cord application would include multiple pieces of equipment working together to accomplish one task. The jumper power cord extends from the power source to the accessory equipment. A jumper cordset works like a jumper power cord. The difference is a connection device on both ends of the cable instead of just the plug end. Universal cable is used in the jumper power cords and cordsets assemblies. VDE (Verband Deutscher Electrotechniker) - The German national testing agency. VDE is the most common German approval found on components. VDE also does some standards writing for Germany. Volt - Unit of measurement for electrical power. The symbol for volts is V. Strip - To remove insulation from a cable. Voltage - Measurement of power flowing through a conductor. Designated as Electromotive Force (emf). The symbol for voltage is VAC. Socket - A socket establishes an electrical connection with plugs through tension connections. These could be metal contacts bent to receive the blade or pin or spring loaded. Voltage Rating - This is the maximum voltage that can be continuously applied to a wire in conformance to standards or specifications. Temperature Rating - The maximum temperature at which the insulating material may be used in continuous operation without loss of its basic properties. Watts - Unit of measure for actual power used by a piece of equipment. VxA=W Terminal - Any device attached to the conductor by crimping, soldering or welding. Wire - This is any piece of flexible slender metal that ranges in approximate size from a large piece that is difficult to bend to a fine thread. It could also be several wires that are twisted together or wires that are insulated. Terminal block - This component is used to join wires together to make electrical connections. The blocks are designed to fit where space is limited. The different parts of the terminal blocks are the insert, screw, and wire protector. The insert is where the wire is placed. It is located underneath each “chimney.” The screws are located in each chimney. When the screws are tightened down on the wires, the wire protectors enhance the electrical connections. Termination - Components that are molded, wired, or crimped onto the ends of power cords or cable. Some terminations include: straight blade and locking plugs and connectors, international and high power plugs and connectors, IEC 60320 connectors, ring and spade terminals, straight- and flag-style quick disconnects, and ultrasonic welding. Quail Electronics, Inc. carries a large selection of terminations to add value to a customer’s request. Tinned - Silver-white, ductile metal used to coat copper conductors, especially when solder termination is to be used. Three-phase - This is an electrical circuit that holds three lines and a ground or three lines, a neutral and a ground. The three lines are 120¼ out of phase with each other. Tolerance - The acceptable deviation from specification. Transformer - Device used to isolate circuits and step up or step down voltage to a usable level for the equipment. Transformers transfer energy between the primary and secondary using magnetic field coupling. 127