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REVIEW FOR EXAMINATION # 3 MATERIAL COVERED MATERIAL COVERED TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT INTERIOR WIRING LOADS VOLTAGE SYSTEMS GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SYSTEMS SAMPLE QUESTIONS STUDY THE FOLLOWING MATERIAL: 1. OUTLINES #16 THROUGH #20. 2. READINGS FROM BRADSHAW, PP. 289-340. 3. REVIEW HOMEWORK ASSIGNMENT #3. YOU SHOULD KNOW HOW TO MAKE POWER CALCULATIONS, CALCULATIONS OF TOTAL RESISTANCE AND CALCULATIONS USING OHM’S LAW. REVIEW FOR EXAMINATION # 3 MATERIAL COVERED TERMINOLOGY TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT KNOW THE FOLLOWING TERMS FROM OUTLINE #16: 1. CURRENT INTERIOR WIRING 2. POTENTIAL LOADS 3. RESISTANCE VOLTAGE SYSTEMS 4. ENERGY 5. POWER 6. SHORT CIRCUIT 7. RECTIFICATION GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SYSTEMS SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED TERMINOLOGY TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT KNOW THE FOLLOWING TERMS FROM OUTLINE #17: 1. PRIMEMOVER INTERIOR WIRING 2. GENERATOR LOADS 3. COGENERATION (TOTAL ENERGY) SYSTEM 4. TOPPING CYCLE 5. BOTTOM CYCLE 6. INVERTER VOLTAGE SYSTEMS GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SYSTEMS SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED TERMINOLOGY TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT KNOW THE FOLLOWING TERMS FROM OUTLINE #18: 1. TRANSFORMER 2. METER LOADS 3. FUSE VOLTAGE SYSTEMS 4. CIRCUIT BREAKER GROUNDING 5. PANELBOARD RESIDENTIAL APPLICATIONS 6. SWITCHBOARD & SWITCHGEAR MEDIUM & LARGE BUILDINGS 7. UNIT SUBSTATION INTERIOR WIRING SECURITY & COMMUNICATION SYSTEMS SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED TERMINOLOGY TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT KNOW THE FOLLOWING TERMS FROM OUTLINE #18: 1. CONDUCTOR INTERIOR WIRING 2. AMPACITY LOADS 3. BUSBAR VOLTAGE SYSTEMS 4. CABLE 5. WIRE 6. FLEXIBLE CORD GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SYSTEMS SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED TERMINOLOGY TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION KNOW THE FOLLOWING TERMS FROM OUTLINE #18: SERVICE ENTRANCE EQUIPMENT 1. RACEWAY 2. CONDUIT INTERIOR WIRING 3. WIREWAY LOADS 4. SURFACE METAL RACEWAY 5. CABLE TRAY 6. BUSWAY VOLTAGE SYSTEMS GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SYSTEMS SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED TERMINOLOGY TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION KNOW THE FOLLOWING TERMS FROM OUTLINE #18: SERVICE ENTRANCE EQUIPMENT 1. HORSEPOWER 2. SERVICE FACTOR INTERIOR WIRING 3. DUTY CYCLE 4. UNIVERSAL MOTOR 5. RESISTIVE LOAD 6. INDUCTIVE LOAD LOADS VOLTAGE SYSTEMS GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SYSTEMS SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED TERMINOLOGY TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION KNOW THE FOLLOWING TERMS FROM OUTLINE #19: SERVICE ENTRANCE EQUIPMENT 1. SERVICE GROUNDING 2. APPLIANCE GROUNDING INTERIOR WIRING 3. GROUND-FAULT CIRCUIT INTERUPTER 4. THREE-WAY SWITCH & FOUR-WAY SWITCH 5. SPECIAL PURPOSE CIRCUIT 6. GENERAL PURPOSE CIRCUIT 7. DEMAND FACTOR LOADS VOLTAGE SYSTEMS GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SYSTEMS SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED TERMINOLOGY TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT KNOW THE FOLLOWING TERMS FROM OUTLINE #20: 1. WATCHMAN’S TOUR 2. RISER SHAFT VOLTAGE SYSTEMS 3. RISER CLOSET GROUNDING 4. BUILDING AUTOMATION SYSTEM (BAS) INTERIOR WIRING LOADS RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SYSTEMS SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED CALCULATIONS TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT INTERIOR WIRING LOADS VOLTAGE SYSTEMS GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SYSTEMS SAMPLE QUESTIONS KNOW HOW TO MAKE CALCULATIONS USING OHM’S LAW WHAT IS THE CURRENT FLOW IN A 12-VOLT DC CIRCUIT CONTAINING A TOTAL RESISTANCE OF 2 OHMS? I = V/R I = 12/2 I = 6 AMPS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED CALCULATIONS TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT INTERIOR WIRING LOADS VOLTAGE SYSTEMS GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SYSTEMS SAMPLE QUESTIONS KNOW HOW TO MAKE CALCULATIONS USING OHM’S LAW IN A 24-VOLT D-C CIRCUIT, THE FLOW OF CURRENT IS MEASURED AS 8 AMPS. WHAT IS THE RESISTANCE OF THIS CIRCUIT? R = V/I R = 24/8 R = 3 OHMS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED CALCULATIONS TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION KNOW HOW TO DETERMINE THE TOTAL RESISTANCE ON A SERIES CIRCUIT? SERVICE ENTRANCE EQUIPMENT A SERIES CIRCUIT CONSISTS OF ONE 5-OHM RESISTANCE AND ONE 10-OHM RESISTANCE. WHAT IS THE TOTAL RESISTANCE ON THE CIRCUIT? INTERIOR WIRING RTOTAL = R1 + R2 LOADS VOLTAGE SYSTEMS GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS RTOTAL = 5 + 10 RTOTAL = 15 OHMS REVIEW FOR EXAMINATION # 3 CALCULATIONS MATERIAL COVERED TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT INTERIOR WIRING LOADS VOLTAGE SYSTEMS GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS KNOW HOW TO DETERMINE THE TOTAL RESISTANCE ON A PARALLEL CIRCUIT? WHAT IS THE TOTAL RESISTANCE ON A PARALLEL CIRCUIT WITN ONE RESISTANCE OF 5-OHMS & ONE OF 10OHMS? RTOTAL =1/ (1/ R1 + 1/R2) RTOTAL = 1(1/5 + 1/10) RTOTAL = 1/ (3/10) RTOTAL = 10/3 REVIEW FOR EXAMINATION # 3 MATERIAL COVERED TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT CALCULATIONS KNOW HOW TO MAKE CALCULATIONS OF POWER FOR D-C SYSTEMS : A 12-V BATTERY IS CONNECT TO A 4 OHM RESISTOR. WHAT IS THE WATTAGE? I = V/R INTERIOR WIRING I = 12/4 OR 3 AMPS LOADS P = VI VOLTAGE SYSTEMS P = 12 X 3 GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS P = 36 WATTS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED CALCULATIONS TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT INTERIOR WIRING LOADS KNOW HOW TO MAKE CALCULATIONS OF POWER FOR SINGLE-PHASE A-C SYSTEMS: A SINGLE-PHASE 240-V AC POWER SYSTEM DRAWS 14 AMPS OF CURRENT WITH A POWER FACTOR OF 0.7. WHAT IS THE WATTAGE OF THE SYSTEM? P = VI x PF VOLTAGE SYSTEMS P = 240 x 14 x 0.7 GROUNDING P = 2352 WATTS RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED CALCULATIONS TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION KNOW HOW TO MAKE CALCULATIONS OF POWER FOR THREE-PHASE A-C SYSTEMS: SERVICE ENTRANCE EQUIPMENT IN A 208-V THREE-PHASE MOTOR LOAD, THE CURRENT DRAWN BY THE MOTOR IS 25 AMPS, AND THE POWER FACTOR IS 0.6. WHAT IS THE WATTAGE OF THE SYSTEM? INTERIOR WIRING P = VI x PF x 1.73 LOADS P = 208 x 25 x 0.6 x 1.73 VOLTAGE SYSTEMS GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS P = 5397.6 WATTS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED PRINCIPLES OF ELECTRICITY TERMINOLOGY CALCULATIONS PRINCIPLES KNOW THE FOLLOWING : GENERATION 1. THE EFFECTS OF SHORT-CIRCUITS 2. PROPERTIES OF SERIES CIRCUITS 3. PROPERTIES OF PARALLEL CIRCUITS LOADS 4. USES OF DIRECT CURRENT VOLTAGE SYSTEMS 5. USES OF SINGLE- AND THREE-PHASE ALTERNATING CURRENT. SERVICE ENTRANCE EQUIPMENT INTERIOR WIRING GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 GENERATION OF ELECTRICAL POWER MATERIAL COVERED TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT KNOW THE CHARACTERISTICS OF THE FOLLOWING : 1. INTERNAL COMBUSTION ENGINES 2. GAS TURBINES LOADS 3. STEAM TURBINES VOLTAGE SYSTEMS 4. COGENERATION SYTEMS GROUNDING 5. WIND TURBINES RESIDENTIAL APPLICATIONS 6. HYDROPOWER INTERIOR WIRING MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 SERVICE ENTRANCE EQUIPMENT MATERIAL COVERED TERMINOLOGY CALCULATIONS PRINCIPLES KNOW THE FOLLOWING ABOUT TRANSFORMERS: GENERATION 1. USE 2. TYPES 3. RATING: KILOVOLT-AMPS. LOADS 4. LOCATION VOLTAGE SYSTEMS 5. FACTORS WHICH DETERMINE WHEN TO USE A CUSTOMER-OWNED TRANFORMER. SERVICE ENTRANCE EQUIPMENT INTERIOR WIRING GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 SERVICE ENTRANCE EQUIPMENT MATERIAL COVERED TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION KNOW THE FUNCTION & PROPERTIES OF THE FOLLOWING: SERVICE ENTRANCE EQUIPMENT 1. INTERIOR WIRING 3. PANELBOARDS LOADS 4. SWITCHBOARDS & SWITCHGEAR 5. UNIT SUBSTATIONS (LOAD CENTER-SUBSTATIONS) 6. METERS VOLTAGE SYSTEMS GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS 2. SERVICE DISCONNECT SWITCH. OVERCURRENT PROTECTION DEVICES. REVIEW FOR EXAMINATION # 3 MATERIAL COVERED INTERIOR WIRING & DISTRIBUTION TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT INTERIOR WIRING LOADS VOLTAGE SYSTEMS KNOW THE FOLLOWING : 1. THE CHARACTERISTICS OF COPPER AND ALUMINUM AS CONDUCTORS OF ELECTRICITY. 2. THE AWG & THE MCM CONDUCTOR NUMBERING SYSTEMS. 3. COLOR CODING OF INSULATION OF WIRE. 4. THE CHARACTERISTICS OF THE VARIOUS TYPES OF CONDUIT. 5. THE CHARACTERISTICS OF THE VARIOUS TYPES OF FLOOR RACEWAYS SYSTEMS & CEILING RACEWAYS SYSTEMS. GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED LOADS TERMINOLOGY CALCULATIONS PRINCIPLES KNOW THE FOLLOWING : GENERATION 1. WHAT A FRACTIONAL MOTOR IS. SERVICE ENTRANCE EQUIPMENT 2. WHAT AN INTEGRAL MOTOR IS. 3. PROPERTIES OF D-C MOTORS. INTERIOR WIRING 4. PROPERTIES OF SINGLE-PHASE A-C MOTORS. 5. PROPERTIES OF THREE-PHASE A-C MOTORS. 6. THE MEANING OF MOTOR NAMEPLATE INFORMATION. LOADS VOLTAGE SYSTEMS GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 VOLTAGE SYSTEMS MATERIAL COVERED TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT KNOW THE CHARACTERISTICS & THE APPROPRIATE APPLICATION OF THE FOLLOWING VOLTAGE SYSTEMS: 1. 120-V, SINGLE-PHASE, 2-WIRE INTERIOR WIRING 2. 120/240-V, SINGLE-PHASE, 3-WIRE LOADS 3. 120/208-V, THREE-PHASE, 4-WIRE VOLTAGE SYSTEMS 4. 277/480-V, THREE-PHASE, 4-WIRE GROUNDING 5. 2400/4160-V, THREE-PHASE, 4-WIRE RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED GROUNDING & GROUND-FAULT PROTECTION TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT KNOW THE FUNCTION, POTENTIAL HAZARDS & APPLICATION OF THE FOLLOWING : 1. SERVICE GROUNDING INTERIOR WIRING 2. APPLIANCE GROUNDING LOADS 3. GROUND FAULT CIRCUIT INTERRUPTION VOLTAGE SYSTEM GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED SMALL RESIDENTIAL APPLICATIONS TERMINOLOGY CALCULATIONS PRINCIPLES KNOW THE FOLLOWING : GENERATION 1. SERVICE ENTRANCE EQUIPMENT NUMBER AND TYPE OF SWITCHES REQUIRED FOR MULTIPLE SWITCH LOCATIONS. 2. THE CRITERIA FOR LOCATING OUTLETS. INTERIOR WIRING 3. COMMON OUTLET TYPES & THEIR APPLICATION LOADS 4. THE NUMBER OF OUTLETS TYPICALLY PLACED ON 15 AMP & 20 AMP CIRCUITS. 5. DIFFERENCE BETWEEN SPECIAL-USE & GENERAL PURPOSE CIRCUITS. VOLTAGE SYSTEM GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED TERMINOLOGY ELECTRICAL SYSTEMS FOR MEDIUM & LARGE BUILDINGS CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT KNOW THE FOLLOWING : 1. RELATIONSHIP & RESPONSIBILITIES BETWEEN THE ARCHITECT & CONSULTING ENGINEERS LOADS 2. DIFFERENCE BETWEEN LIGHTING AND POWER PLANS. VOLTAGE SYSTEM 3. CRITERIA FOR AND PLACEMENT OF ELECTRICAL CLOSETS. 4. USE OF DEMAND FACTORS INTERIOR WIRING GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED SECURITY & COMMUNICATION SYSTEMS TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT KNOW THE CHARACTERISTICS OF THE FOLLOWING INTRUSION DETECTION DEVICES : 1. NORMALLY OPEN CONTACT DEVICES. 2. NORMALLY CLOSED CONTACT DEVICES. LOADS 3. MECHANICAL MOTION DETECTORS. VOLTAGE SYSTEM 4. PHOTOELECTRIC DETECTORS. GROUNDING 5. PASSIVE INFRARED DETECTORS. RESIDENTIAL APPLICATIONS 6. MOTION DETECTORS. MEDIUM & LARGE BUILDINGS 7. ACOUSTIC SYSTEMS. INTERIOR WIRING SECURITY & COMMUNICATION SYSTEMS SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED SECURITY & COMMUNICATION SYSTEMS TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT KNOW THE SECURITY & COMMUNICATION SYSTEMS USED IN THE FOLLOWING BUILDING TYPES : 1. PRIVATE RESIDENCES. 2. MULTIPLE-FAMILY DWELLINGS. VOLTAGE SYSTEM 3. HOTELS & MOTELS. GROUNDING 4. SCHOOLS RESIDENTIAL APPLICATIONS 5. OFFICE BUILDINGS 6. INDUSTRIAL BUILDINGS. INTERIOR WIRING LOADS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SYSTEMS SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED SAMPLE QUESTIONS TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT THE NUMBER OF ELECTRONS FLOWING PAST A GIVEN POINT IN AN ELECTRICAL CIRCUIT IS WHICH OF THE FOLLOWING? A. POTENTIAL LOADS B. POWER VOLTAGE SYSTEM C. CURRENT GROUNDING D. ENERGY INTERIOR WIRING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED ANSWER TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT THE NUMBER OF ELECTRONS FLOWING PAST A GIVEN POINT IN AN ELECTRICAL CIRCUIT IS WHICH OF THE FOLLOWING? A. POTENTIAL LOADS B. POWER VOLTAGE SYSTEM C. CURRENT GROUNDING D. ENERGY INTERIOR WIRING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED SAMPLE QUESTIONS TERMINOLOGY CALCULATIONS SERVICE ENTRANCE EQUIPMENT A TOASTER CONSTRUCTED OF A 55-OHM RESISTANCE WIRE REQUIRES 2 AMPS FOR ITS OPERATION. WHAT VOLTAGE SHOULD BE APPLIED? INTERIOR WIRING A. 480-V LOADS B. 240-V VOLTAGE SYSTEM C. 208-V D. 110-V PRINCIPLES GENERATION GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED ANSWER TERMINOLOGY CALCULATIONS SERVICE ENTRANCE EQUIPMENT A TOASTER CONSTRUCTED OF A 55-OHM RESISTANCE WIRE REQUIRES 2 AMPS FOR ITS OPERATION. WHAT VOLTAGE SHOULD BE APPLIED? INTERIOR WIRING A. 480-V LOADS B. 240-V VOLTAGE SYSTEM C. 208-V D. 110-V PRINCIPLES GENERATION GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED SAMPLE QUESTIONS TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT INTERIOR WIRING WHICH OF THE FOLLOWING STATEMENTS ABOUT PARALLEL CIRCUITS IS INCORRECT? A. THE VOLTAGE DROP ACROSS EACH BRANCH IS EQUAL TO THE VOLTAGE OF THE SOURCE. B. IF ONE OF THE LOADS BURNS OUT OR IS DISCONNECTED, THE REMAINDER OF THE CIRCUIT CONTINUES TO FUNCTION. C. THE CURRENT IS THE SAME EVERYWHERE IN THE CIRCUIT. D. ALL OF THE ABOVE. LOADS VOLTAGE SYSTEM GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED SAMPLE QUESTIONS TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT INTERIOR WIRING WHICH OF THE FOLLOWING STATEMENTS ABOUT PARALLEL CIRCUITS IS INCORRECT? A. THE VOLTAGE DROP ACROSS EACH BRANCH IS EQUAL TO THE VOLTAGE OF THE SOURCE. B. IF ONE OF THE LOADS BURNS OUT OR IS DISCONNECTED, THE REMAINDER OF THE CIRCUIT CONTINUES TO FUNCTION. C. THE CURRENT IS THE SAME EVERYWHERE IN THE CIRCUIT. D. ALL OF THE ABOVE. LOADS VOLTAGE SYSTEM GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED SAMPLE QUESTIONS TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT INTERIOR WIRING LOADS VOLTAGE SYSTEM GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS WHICH OF THE FOLLOWING IS AN APPLICATION OF DIRECT CURRENT? A. BATTERY POWER B. GEARLESS TRACTION MACHINES USE TO POWER SOME TYPES OF ELEVATORS C. CONTROLS & TELEPHONES. D. ALL OF THE ABOVE. REVIEW FOR EXAMINATION # 3 MATERIAL COVERED ANSWER TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT INTERIOR WIRING LOADS VOLTAGE SYSTEM GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS WHICH OF THE FOLLOWING IS AN APPLICATION OF DIRECT CURRENT? A. BATTERY POWER B. GEARLESS TRACTION MACHINES USE TO POWER SOME TYPES OF ELEVATORS C. CONTROLS & TELEPHONES. D. ALL OF THE ABOVE. REVIEW FOR EXAMINATION # 3 SAMPLE QUESTIONS MATERIAL COVERED TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION WHICH OF THE FOLLOWING IS A CHARACTERISTICS OF INTERNAL COMBUSTION ENGINES? SERVICE ENTRANCE EQUIPMENT A. ABLE TO BURN A VARIETY OF LIQUID & GASEOUS FUELS. B. QUIET OPERATION INTERIOR WIRING C. LOW MAINTENANCE. D. ALL OF THE ABOVE. LOADS VOLTAGE SYSTEM GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 ANSWER MATERIAL COVERED TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION WHICH OF THE FOLLOWING IS A CHARACTERISTICS OF INTERNAL COMBUSTION ENGINES? SERVICE ENTRANCE EQUIPMENT A. ABLE TO BURN A VARIETY OF LIQUID & GASEOUS FUELS. B. QUIET OPERATION INTERIOR WIRING C. LOW MAINTENANCE. D. ALL OF THE ABOVE. LOADS VOLTAGE SYSTEM GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED SAMPLE QUESTIONS TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT WHICH OF THE FOLLOWING IS A CHARACTERISTIC OF COPPER CONDUCTORS? A. HIGHER COST THAN ALUMINUM B. LOWER RESISTIVITY THAN ALUMINUM. LOADS C. WIDELY USED FOR SMALL CONDUCTORS. VOLTAGE SYSTEM D. ALL OF THE ABOVE. INTERIOR WIRING GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED ANSWER TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT WHICH OF THE FOLLOWING IS A CHARACTERISTIC OF COPPER CONDUCTORS? A. HIGHER COST THAN ALUMINUM B. LOWER RESISTIVITY THAN ALUMINUM. LOADS C. WIDELY USED FOR SMALL CONDUCTORS. VOLTAGE SYSTEM D. ALL OF THE ABOVE. INTERIOR WIRING GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED SAMPLE QUESTIONS TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT WHICH OF THE FOLLOWING IS THE SMALLEST CONDUCTOR? A. 500 MCM. B. 250 MCM. LOADS C. NO. 18 AWG. VOLTAGE SYSTEM D. NO. 12 AWG. INTERIOR WIRING GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED ANSWER TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT WHICH OF THE FOLLOWING IS THE SMALLEST CONDUCTOR? A. 500 MCM. B. 250 MCM. LOADS C. NO. 18 AWG. VOLTAGE SYSTEM D. NO. 12 AWG. INTERIOR WIRING GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 SAMPLE QUESTIONS MATERIAL COVERED TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION WHICH OF THE FOLLOWING IS THE SAFEST? SERVICE ENTRANCE EQUIPMENT A. INTERMEDIATE METALLIC CONDUIT. B. RIGID CONDUIT C. RIGID NONMETALLIC CONDUIT. D. ELECTRICAL METALLIC TUBING. INTERIOR WIRING LOADS VOLTAGE SYSTEM GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED ANSWER TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT WHICH OF THE FOLLOWING IS THE SAFEST? A. INTERMEDIATE METALLIC CONDUIT. B. RIGID CONDUIT LOADS C. RIGID NONMETALLIC CONDUIT. VOLTAGE SYSTEM D. ELECTRICAL METALLIC TUBING. INTERIOR WIRING GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED SAMPLE QUESTIONS TERMINOLOGY CALCULATIONS SERVICE ENTRANCE EQUIPMENT WHICH OF THE FOLLOWING INDICATES HOW MUCH OVER THE NAMEPLATE RATING A MOTOR CAN OPERATE WITHOUT OVER HEATING? INTERIOR WIRING A. SERVICE FACTOR. LOADS B. ENERGY EFFICIENCY RATIO. VOLTAGE SYSTEM C. VOLTAGE. D. DUTY CYCLE. PRINCIPLES GENERATION GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED ANSWER TERMINOLOGY CALCULATIONS SERVICE ENTRANCE EQUIPMENT WHICH OF THE FOLLOWING INDICATES HOW MUCH OVER THE NAMEPLATE RATING A MOTOR CAN OPERATE WITHOUT OVER HEATING? INTERIOR WIRING A. SERVICE FACTOR. LOADS B. ENERGY EFFICIENCY RATIO. VOLTAGE SYSTEM C. VOLTAGE. D. DUTY CYCLE. PRINCIPLES GENERATION GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED SAMPLE QUESTIONS TERMINOLOGY CALCULATIONS PRINCIPLES SERVICE ENTRANCE EQUIPMENT WHICH OF THE FOLLOWING VOLTAGE SYSTEM IS BEST SUITED TO A 3500 S.F SINGLE FAMILY RESIDENCE? INTERIOR WIRING A. 120-V, SINGLE-PHASE, 2-WIRE. LOADS B. 120/208-V, THREE-PHASE, 4-WIRE. VOLTAGE SYSTEM C. 277/480-V, THREE-PHASE, 4-WIRE. D. 120/240-V, SINGLE-PHASE, 3-WIRE. GENERATION GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 MATERIAL COVERED ANSWER TERMINOLOGY CALCULATIONS PRINCIPLES SERVICE ENTRANCE EQUIPMENT WHICH OF THE FOLLOWING VOLTAGE SYSTEM IS BEST SUITED TO A 3500 S.F SINGLE FAMILY RESIDENCE? INTERIOR WIRING A. 120-V, SINGLE-PHASE, 2-WIRE. LOADS B. 120/208-V, THREE-PHASE, 4-WIRE. VOLTAGE SYSTEM C. 277/480-V, THREE-PHASE, 4-WIRE. D. 120/240-V, SINGLE-PHASE, 3-WIRE. GENERATION GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 SAMPLE QUESTIONS MATERIAL COVERED TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT WHICH OF THE FOLLOWING ESTABLISHES A NEUTRAL LINE AT ZERO POTENTIAL FOR THE ENTIRE BUILDING? A. SERVICE GROUNDING. INTERIOR WIRING B. GROUD-FAULT CIRCUIT INTERRUPTION. LOADS C. METERS. D. APPLIANCE GROUNDING. VOLTAGE SYSTEM GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS REVIEW FOR EXAMINATION # 3 SAMPLE QUESTIONS MATERIAL COVERED TERMINOLOGY CALCULATIONS PRINCIPLES GENERATION SERVICE ENTRANCE EQUIPMENT WHICH OF THE FOLLOWING ESTABLISHES A NEUTRAL LINE AT ZERO POTENTIAL FOR THE ENTIRE BUILDING? A. SERVICE GROUNDING. INTERIOR WIRING B. GROUD-FAULT CIRCUIT INTERRUPTION. LOADS C. METERS. D. APPLIANCE GROUNDING. VOLTAGE SYSTEM GROUNDING RESIDENTIAL APPLICATIONS MEDIUM & LARGE BUILDINGS SECURITY & COMMUNICATION SAMPLE QUESTIONS