Residential Electrical Services Graded A+

Residential Electrical Services Graded A+ Which of that following locations at dwelling units require GFCI protection? gaarages Type MC Receptacles within Which type of cable with a corrugated sheath has a maximum bend raduis of 7 times the cable diameter? Which of the following circuits require a minimum of 20A of overcurrent protection? small appliance branch circuits Residential According to the NEC, which of the following is required for the small appliance loads in each kitchen area? 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%? Fixed appliances The NEC allows the load calculation for the ground neutral conductor supplying electric ranges and dryers to have a demand factor of ______. 70% Which of the following is required to carry the lighting load for the residence in the figure above? Two 15A circuits How many square feet of livable space are in the home in figure above? 3,600VA 1,200 Which of the following is the minimum NEC lighting load requirement for the home in the figure above? Which of the following is an NEC-approved grounding electrode? in direct contact with the earth for 10 feet Metal underground water pipe The minimum clearance of service drop conductors over a residential driveway is reduced to 12 feet when the voltage is limited to ________. 300V to ground The section of the NEC that lists the requirements for installing service disconnecting means is ______. NEC Section 230.70 Romex is a trade name for _____. Type NM cable Cables routed through bored holes in framing members must maintain a distance from the nearest edge of not less than ______. 1-1/4 inches Which of the following must be supported at intervals of 6 feet or less? Type MC cable Which of the following will detect a current imbalance as low as 4 miliamps? Type SE cable A GFCI sensor When used as an outside service-entrance conductor, which of the following must be secured every 30 inches? Traveler conductors are used to connect two _______. Three-way switches To control a device from three locations, a four-way switch must be used with which of the following? Two three- way switches To control stairway lighting, a wall switch is required at each level when how many risers separate f loor levels? Six or more Which section of the NEC covers the installation of pools and spas? A GFCI sensor will trip when the ____. NEC Section 680 current in the neutral load is less than the current in the hot load. Listed FMC may be used as an equipment grounding conductor if the circuit conductors are