Elect 1 module 11 Residential Electrical Services Exam Questions and Answers 100% Correct
Which of the following locations at dwelling units require GFCI protection? - ANSWER-
a. Receptacles within garages
Which type of cable with a corrugated sheath has a maximum bend radius of 7 times the cable diameter? - ANSWER-a. type MC
Which of the following circuits require 20A of overcurrent protection? - ANSWER-c. Residential small appliance branch circuits
According to the NEC, which of the following is required for the small appliances shall be permissible to apply a demand factor of 75%? - ANSWER-b. fixed appliances
The NEC allows the load calculation for the ground neutral conductor supplying electric ranges and dryers to have a demand factor of? - ANSWER-b. 70%
Which of the following is required to carry the lighting load for the residence in the figure
above? - ANSWER-c. Two 15A circuits
How many square feet of livable space are in the home in the figure above? - ANSWER-d. 12,000
Which of the following is the minimum NEC lighting load requirement for the home in the
figure above? - ANSWER-c. 3,600VA
Which of the following is an NEC-approved grounding electrode? - ANSWER-a. Metal underground water pipe in direct contact with the earth for 10 feet
The minimum clearance of service drop conductors over a residential driveway is reduced to 12 feet when the voltage is limited to? - ANSWER-c. 300V to ground
The section of the NEC that lists the requirements for installing service disconnecting means is? - ANSWER-d. NEC Section 230.70
Romex is a trade name for? - ANSWER-b. Type NM cable
Cables routed through bored holes in framing members must maintain a distance from the nearest edge of not less than? - ANSWER-c. 1-1/4 inches
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