Module 11 - Residential Electrical Services || With complete solutions.

A small residence has a floor area of 900 square feet. What is its general lighting load? correct answers 2,700VA Per NEC Table 220.54, a household with two dryers has a demand factor of __________. correct answers 100% If a dwelling has two kitchen areas, then the total small appliance branch circuits required would be __________. correct answers four at 1,500VA each A lighting load of 2,700VA at 120V has an amperage of __________. correct answers 22.5A When used as a grounding electrode, a ground ring must be at least __________. correct answers 20' (6.0 m) long When a screw is used as a main bonding jumper, it must be colored __________. correct answers green Information on equipment grounding for computers is found in __________. correct answers NEC Section 250.114 Per NEC Section 230.24(B), if the service conductors pass over residential property and driveways or commercial property that is not subject to truck traffic, the conductors must be at least __________. correct answers 15' (4.5 m) above the ground A residence has conductors installed under a 1" (25 mm) slab. According to NEC Section 230.6, these conductors are considered __________. correct answers inside the house, and a disconnect is required at the meter base In three-wire NM cable, the color code of the conductors is __________. correct answers black, white, and red, with a bare or green grounding conductor Which of the following areas of a residence would most likely use conductors run in conduit? correct answers unfinished basements A branch circuit that supplies a storage-type water heater with a capacity of 120 gallons (450 L) or less and a nameplate rating of 20A must be rated at a minimum of __________. correct answers 25A A branch circuit for lighting has a capacity of 1,800VA. It should be loaded to no more than __________. correct answers 1,440VA A metallic outlet box for two No. 12 AWG conductors with a ground wire, cable clamp, a switch, and a looped conductor over 12" (300 mm) would count as __________. correct answers eight conductors