TREC-Texas Home Inspector Test: Electrical New () with Complete Questions and Answers

TREC-Texas Home Inspector Test: Electrical New () with Complete Questions and AnswersTREC-Texas Home Inspector Test: Electrical New () with Complete Questions and AnswersTREC-Texas Home Inspector Test: Electrical New () with Complete Questions and Answers Aluminum wiring is not recommended on most homes under new construction. That is because? - ANSWER-The wire oxidizes which acts as an insulator that can increase the heat and may melt the insulation. Aluminum wire must have something that acts as an insulator rather than conductor of electricity. - ANSWER-An antioxidant. It also decreases the likelihood of arcing. An inspector inspects a house built in 1955. He finds a wire that has a silver coating on it. What type of wire is it? - ANSWER-Zinc coated wire/ nickel coated wire. Aluminum wire was not used in homes until around 1960. What is the minimum size wire that can be used as a grounding electrode? - ANSWER-#6 Copper AWG What is the maximum height a breaker can be according to the NEC? - ANSWER-6 ft 7 inches How many amps are required to trip a GFCI? - ANSWER-5 to 8 milliamps How do you test a GFCI receptacle? - ANSWER-A separate GFCI testing device Define the purpose of a circuit breaker. - ANSWER-It is designed to interrupt the flow of electricity. What is the longest length of plug and cord you would expect to find on an appliance with proper receptacle locations/spacing? - ANSWER-6 ft