Ampacities - Study guides, Class notes & Summaries

RESIDENTIAL WIREMAN ELECTRICAL EXAM REVIEWS 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 - CORRECT ANSWER-4 The continuity of the grounded conductor shall depend on a busbar or __ only. Continuity, Grounded conductors 200.12 - CORRECT AN...

Fire Alarm TFM12 questions and answers well illustrated. What does PLFA stand for? - correct answers.Power Limited Fire Alarm What does NPLFA stand for? - correct answers.Non Power Limited Fire Alarm What material must NPLFA circuit conductors be made from - correct answers.Only solid or stranded copper is permitted What is a single station detector? - correct answers.Battery powered smoke detectors that do not communicate off premises. What is a multiple stati...

Load Calculations Branch and Feeder Circuits Exam Questions and Complete Solutions maximum load that may be supplied by 20a, 120v circuit? - Ans: 20a x 120v = 2400va maximum load that may be supplied by 20a, 3 wire, 120/240v circuit? - Ans: 20a x 240v = 4800va maximum load that may be supplied by 20a, 208v 3 phase circuit? - Ans: 20a x 208v x 1.732 = 7205.12va minimum size circuit breaker required for 9 florescent ballast rated at 1.5a at 120v, as a continuous load? - Ans: determine ...

©THEBRIGHTSTARS 2024 26401-20 - Load Calculations: Feeders and Services. Exam Questions With Correct Answers. What NEC Article covers feeder circuits? - answerNEC Article 215 The conductors and equipment for delivering electric energy from the serving utility to the wiring system of the premises served is a? - answerService The overhead conductors between the utility electric supply system and the service point is _____? - answerService drop What sections make up electrical Calculation...

For electrically operated in - sink waste disposers, what is the minimum and maximum length allowed for electrical cable? 18 inches- 36 inches. 422.16 (B)(1)(2) Rigid metal conduit must be securely fastened within how many feet of junction box? 3 feet. 344.30 (A) *See exceptions In a health care location where flammable anesthetics are employed, the entire area shall be considered to be a Class 1 Division 1 location that extends upward to a level of how many feet above the flo...