Residential Electrical Services || With correct solutions.

Which type of cable with a corrugated sheath has a maximum bend radius of 7 times the cable diameter? correct answers Type MC Which of the following locations at dwelling units require GFCI protection? correct answers Receptacles within garages Which of the following circuits require a minimum of 20A of overcurrent protection? correct answers Residential small appliance branch circuits According to the NEC®, which of the following is required for the small appliance loads in each kitchen area? correct answers Two 120V, 20A small appliance branch circuits According to NEC Section 220.53, loads for which of the following appliances shall be permissible to apply a demand factor of 75%? correct answers Fixed appliances The NEC® allows the load calculation for the grounded neutral conductor supplying electric ranges and dryers to have a demand factor of _____. correct answers 70% Which of the following is an NEC®-approved grounding electrode? correct answers 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 _____. correct answers 300V to ground The section of the NEC® that lists the requirements for installing service disconnecting means is _____. correct answers NEC Section 230.70 Romex® is a trade name for _____. correct answers Type NM cable Cables routed through bored holes in framing members must maintain a distance from the nearest edge of not less than _____. correct answers 1-1/4 inches Which of the following must be supported at intervals of 6 feet or less? correct answers Type MC cable Which of the following will detect a current imbalance as low as 4 milliamps? correct answers A GFCI sensor When used as an outside service-entrance conductor, which of the following must be secured every 30 inches? correct answers Type SE cable Traveler conductors are used to connect two _____. correct answers three-way switches