All circuit conductors - Study guides, Class notes & Summaries

NICET Level 1 Fire Alarms (Update) Qs & As| 100% Correct| Grade A (Verified Answers) Q: At which height must cables be physically protected when being installed within an exposed ceiling? Answer: 7 feet Q: When shall smoke detectors be installed during the construction process? Answer: After the final cleanup of all trades Q: Where structural members are provided, intermediate metal conduit shall be secured within which maximum distance from an outlet box" ...

The minimum size equipment grounding conductor for a 100 ampere, 120/240 volt single phase underground dwelling feeder whose ungrounded conductors have been increased in size from 3 AWG copper to 1 AWG copper is __ AWG copper Ampacities, Grounding 250.122(B) Table 250.122 Table 8 Ch 9 - ANSWER 4 The continuity of the grounded conductor shall depend on a busbar or __ only. Continuity, Grounded conductors 200.12 - ANSWER wire. Each multi-wire branch circuit shall be provided with...

What is the result if the neutral wire becomes open on a multiwire circuit having unequal loads? a. The load of higher resistance would overheat and probably be damaged. b. The load of lesser resistance would overheat and probably be damaged. c. No effect until one load is turned off or opens. d. No effect. a. The load of higher resistance would overheat and probably be damaged. Circuits 7 and 9 share a neutral. This is a multiwire branch circuit. If Ckt. 7 is drawing 13 amps and ...

NHIE Exam II Electrical Questions and Answers All Correct What is an issue with Edison base fuses? - Answer Edison base fuse is older and all size fuses are the same size, this is a safety problem What is the color coding for the common sized Edison base fuses? - Answer 30 Amp - Green 25 Amp - Green or Yellow 20 Amp - Orange or Red 15 Amp - Blue or Purple 10 Amp - Yellow or Gray What are the service life estimates for circuit breakers? - Answer 30 - 50 years What are Ground Fau...

What is the result if the neutral wire becomes open on a multiwire circuit having unequal loads? Select one: a. The load of higher resistance would overheat and probably be damaged. b. The load of lesser resistance would overheat and probably be damaged. c. No effect until one load is turned off or opens. d. No effect. The load of higher resistance would overheat and probably be damaged. Refer to Figure 128.202. ___ volts are applied across the water heater element. Select one: a. 120 b. 240 c. ...

OSHA 30 Construction Test Answer Key ELECTROCAUTION ClickSafety Redvector| Already Graded A+| Latest 2024 OSHA 30 Construction ELECTROCAUTION ClickSafety Redvector OSHA 30 Construction Test Answer Key ELECTROCAUTION ClickSafety Redvector| Already Graded A+| Latest 2024 Lock Out / Tag Out refers to _______. A. A process for locking tools and equipment to deter theft B. A process that eliminates the chance of unauthorized access to critical areas C. A process that is designed to prot...

There are six conductors in a raceway connected to 75° rated breakers. Each wire has a 70-amp load using THHN conductors. The minimum size conductor used are #__________ AWG. a. 4 b. 6 c. 8 d. 10 - ANSWERa Thermal insulation shall not be installed within __________ inch(es) of recessed fixtures. a. 1⁄2 b. 3⁄4 c. 2 d. 3 - ANSWERd A 1-inch conduit contains three 3-wire circuits. All conductors are #10 TW. Each circuit consist of two phase conductors, one grounded conductor, an...

The 2 main considerations concerning the existing cabling are? - Answer-Grandfathered system Abandoned cable 11-25 The type of cutover where cross-connects are relocated one pair after another until completed is called a - Answer-rolling cut 11-28 Which practice involves moving the customer to a temporary office space until their section of the retrofit is completed and then moving them back to their recabled office space? - Answer-Swing space phasing Which of these testers would you clam...

NFPA 72 Questions and Answers with Certified Solutions What does PFLA stand for? Power Limited Fire Alarm. What does NPFLA stand for? Non-Power Limited Fire Alarm. What material must NPFLA circuit conductors be made from? Only solid or stranded copper is permitted. What is a single station detector? Battery powered smoke detectors that do not communicate off premises. What is a multiple station detector? Mains powered smoke detectors with battery backup that are linked toget...

Fire Alarm level 1 quizzes Questions and Answers 100% Solved What is the height of the manual fire alarm boxes shall be a minimum of and a maximum of Inches, measure vertically from the floor level to the activation handle or leveler of the box. 42 inches to 48 inches 2014 B.C 970.4.2.2 What color is the fire alarm boxes shall be In color? Red 2014 BC 907.4.2.3 Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:15 Full screen Brainpower Rea...