I-GARD CORPORATION I-Gard Corporation PARTNER IN GROUND FAULT PROTECTION August 2014
... Low-resistance grounding of the neutral limits the ground fault current to a high level (typically 50 amps or more) in order to operate protective fault clearing relays and current transformers. These devices are then able to quickly clear the fault, usually within a few seconds. The importance of t ...
... Low-resistance grounding of the neutral limits the ground fault current to a high level (typically 50 amps or more) in order to operate protective fault clearing relays and current transformers. These devices are then able to quickly clear the fault, usually within a few seconds. The importance of t ...
Calibration of Phasor Measurement Unit at NIST
... NIST system time alignment test setup. It consists of using an oscilloscope to compare the zero crossings of the generated waveforms with a 1 PPS signal from a GPS clock. The GPS clock used in the NIST PMU calibration system has an uncertainty of less than ±45 ns between the pulse signal and UTC. Se ...
... NIST system time alignment test setup. It consists of using an oscilloscope to compare the zero crossings of the generated waveforms with a 1 PPS signal from a GPS clock. The GPS clock used in the NIST PMU calibration system has an uncertainty of less than ±45 ns between the pulse signal and UTC. Se ...
DS32738741
... devices on noncritical paths to reduce leakage while using low-threshold devices on critical paths to maintain circuit speed. It reduces both active and standby leakage. However, this technique does not reduce the leakage on critical paths. Thus, it does not help much for practical circuits, whose p ...
... devices on noncritical paths to reduce leakage while using low-threshold devices on critical paths to maintain circuit speed. It reduces both active and standby leakage. However, this technique does not reduce the leakage on critical paths. Thus, it does not help much for practical circuits, whose p ...
Transformer Installation, Operation, and Maintenance Manual
... The transformer should be connected only as described on its nameplate. Taps should be adjusted, if necessary, to match the available line voltage. Any bolted electrical connections, including taps, should be checked and tightened since fasteners may have loosened during shipment. Ventilated – Core ...
... The transformer should be connected only as described on its nameplate. Taps should be adjusted, if necessary, to match the available line voltage. Any bolted electrical connections, including taps, should be checked and tightened since fasteners may have loosened during shipment. Ventilated – Core ...
IF 1684 Revision 1
... Install screws provided with visor, taking care to not scratch the finish of the floodlight. Torque to 80 in-lbs (9.0 N-m). ...
... Install screws provided with visor, taking care to not scratch the finish of the floodlight. Torque to 80 in-lbs (9.0 N-m). ...
Optional Standby Systems - Adams Electric Cooperative
... installing electric service to farms and residences. Qualified person is defined in Article 100 of the National Electrical Code (2008 edition) as one who has the skills and knowledge related to the construction and operation of the electrical equipment and installations and has received safety train ...
... installing electric service to farms and residences. Qualified person is defined in Article 100 of the National Electrical Code (2008 edition) as one who has the skills and knowledge related to the construction and operation of the electrical equipment and installations and has received safety train ...
Solution #12172 Walkabout 5210/5215(DS)/5220 Portable
... The difference between analog and digital dictation machines is that analog devices immediately store dictation to tape media in real time. This means there are no open files needing protection. Therefore, if the batteries are depleted, the analog media can simply be placed in another machine for pl ...
... The difference between analog and digital dictation machines is that analog devices immediately store dictation to tape media in real time. This means there are no open files needing protection. Therefore, if the batteries are depleted, the analog media can simply be placed in another machine for pl ...
PAC/PAP Owner`s Manual
... This warranty is subject to the following additional conditions: 1. WARRANTY PERIOD. The Product is warranted for one (1) year from the date of sale to the original purchaser. 2. PERSONS COVERED BY WARRANTY. This warranty is extended by AMETEK only to the original purchaser of new Product from AMETE ...
... This warranty is subject to the following additional conditions: 1. WARRANTY PERIOD. The Product is warranted for one (1) year from the date of sale to the original purchaser. 2. PERSONS COVERED BY WARRANTY. This warranty is extended by AMETEK only to the original purchaser of new Product from AMETE ...
Electrical Transient Immunity for Power-over
... and currents due to an indirect strike) and switching on power systems (also includes load changes and short circuit). The degree of severity of the transient can change depending on if the cable installation is inside or outside the building. This type of transient is either of common-mode type or ...
... and currents due to an indirect strike) and switching on power systems (also includes load changes and short circuit). The degree of severity of the transient can change depending on if the cable installation is inside or outside the building. This type of transient is either of common-mode type or ...
a High Performance 4/8 Channel Fault-Protected Analog Multiplexers ADG438F/ADG439F*
... comprising four differential channels. These multiplexers provide fault protection. Using a series n-channel, p-channel, nchannel MOSFET structure, both device and signal source protection is provided in the event of an overvoltage or power loss. The multiplexer can withstand continuous overvoltage ...
... comprising four differential channels. These multiplexers provide fault protection. Using a series n-channel, p-channel, nchannel MOSFET structure, both device and signal source protection is provided in the event of an overvoltage or power loss. The multiplexer can withstand continuous overvoltage ...
XEB-26-CFZ - Barron Lighting Group
... 4. DO NOT USE OUTDOORS. The XEB-26-CFZ is for use with grounded, UL Listed, indoor fixtures. Not for use in heated air outlets or hazardous locations. 5. The XEB-26-CFZ requires an unswitched A.C. power source of either 120 or 277 volts. Properly cap the unused A.C. lead. 6. Do not mount ne ...
... 4. DO NOT USE OUTDOORS. The XEB-26-CFZ is for use with grounded, UL Listed, indoor fixtures. Not for use in heated air outlets or hazardous locations. 5. The XEB-26-CFZ requires an unswitched A.C. power source of either 120 or 277 volts. Properly cap the unused A.C. lead. 6. Do not mount ne ...
Report/Proposal/EOI Template (MS Office 2007 format)
... The majority of the SWER system and much of the rural multi-wire system has been constructed using overhead cable comprised of 3 strands of 2.75mm or 2.64mm (imperial 12 gauge) diameter steel conductor with either a galvanised coating or aluminium cladding. The majority has the older galvanised coat ...
... The majority of the SWER system and much of the rural multi-wire system has been constructed using overhead cable comprised of 3 strands of 2.75mm or 2.64mm (imperial 12 gauge) diameter steel conductor with either a galvanised coating or aluminium cladding. The majority has the older galvanised coat ...
Annex I - Loughborough University
... a. IMMEDIATE SUPERVISION – Immediate supervision means supervision by a person, having adequate technical knowledge or experience, who is continuously available at the location where work or testing is in progress. b. PERSONAL SUPERVISION – Personal supervision means supervision by a person, having ...
... a. IMMEDIATE SUPERVISION – Immediate supervision means supervision by a person, having adequate technical knowledge or experience, who is continuously available at the location where work or testing is in progress. b. PERSONAL SUPERVISION – Personal supervision means supervision by a person, having ...
Equipment Grounding Conductor
... employing reliable materials are essential considerations that contribute to the safety of personnel and equipment over the lifetime of an electrical system. Properly following the general requirements for grounding and bonding articulated in Section 250.4 (A) of the National Electric Code (NEC) can ...
... employing reliable materials are essential considerations that contribute to the safety of personnel and equipment over the lifetime of an electrical system. Properly following the general requirements for grounding and bonding articulated in Section 250.4 (A) of the National Electric Code (NEC) can ...
M5100-EX Instructions
... at start-up/shutdown if all of the equipment is powered on or off at the same time. This can cause speaker “thumps” which are not only annoying but can also damage the speakers. The MAX® 5100-EX is designed to eliminate these transients by providing a “start-up” delay for the High-Current outlets an ...
... at start-up/shutdown if all of the equipment is powered on or off at the same time. This can cause speaker “thumps” which are not only annoying but can also damage the speakers. The MAX® 5100-EX is designed to eliminate these transients by providing a “start-up” delay for the High-Current outlets an ...
Part R64 Switchboards
... Surge filters must provide finer protection against multiple impulses caused by lightning and other transient disturbances and interferences. The surge filter must be connected between phase and neutral in accordance with AS4070. Surge filters must: (a) have a minimum load current rating of 10A per ...
... Surge filters must provide finer protection against multiple impulses caused by lightning and other transient disturbances and interferences. The surge filter must be connected between phase and neutral in accordance with AS4070. Surge filters must: (a) have a minimum load current rating of 10A per ...
section 262923 - variable-frequency motor
... Load-Current and Overload-Relay Heater List: Compile after motors have been installed, and arrange to demonstrate that selection of heaters suits actual motor nameplate, full-load currents. Load-Current and List of Settings of Adjustable Overload Relays: Compile after motors have been installed, and ...
... Load-Current and Overload-Relay Heater List: Compile after motors have been installed, and arrange to demonstrate that selection of heaters suits actual motor nameplate, full-load currents. Load-Current and List of Settings of Adjustable Overload Relays: Compile after motors have been installed, and ...
Portable appliance testing
Portable appliance testing (commonly known as ""PAT"", ""PAT Inspection"" or ""PAT Testing"") is the name of a process in the United Kingdom, the Republic of Ireland, New Zealand and Australia by which electrical appliances are routinely checked for safety. The correct term for the whole process is ""in-service inspection & testing of electrical equipment"".Similar procedures exist in other countries, for example, testing of equipment according to DGUV Vorschrift 3 in Germany.Health and safety regulations require that electrical appliances are safe and maintained to prevent harm to workers. Many equipment manufacturers recommend testing at regular intervals to ensure continual safety; the interval between tests depending on both the type of appliance and the environment in which it is to be used. The European Low Voltage Directive governs the manufacture or importation of electrical appliances. Compliance to this has to be declared and indicated by the display of the CE mark on the product. The responsibility for this lies with the manufacturer or the importer and is policed by Trading Standards.Testing equipment has been specifically developed for PAT inspections, based on the testing equipment used by manufacturers to ensure compliance with the British Standard Code of Practice and European product standards relevant to that type of appliance. This in turn allows testing and the interpretation of results to be de-skilled to a large extent. The inspection of the appliances can largely be carried out in-house in many organisations. This can result in cost savings and more flexibility as to exactly when a PAT is carried out.