Residential Electrical Services Flashcards
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| 9312629470 | Which of that following locations at dwelling units require GFCI protection? | a. Receptacles within gaarages | 0 | |
| 9312629471 | Which type of cable with a corrugated sheath has a maximum bend raduis of 7 times the cable diameter? | a. Type MC | 1 | |
| 9312629472 | Which of the following circuits require a minimum of 20A of overcurrent protection? | c. Residential small appliance branch circuits | 2 | |
| 9312629473 | According to the NEC, which of the following is required for the small appliance loads in each kitchen area? | a. Two 120V, 20A small appliance branch circuits | 3 | |
| 9312629474 | According to NEC Section 220.53, loads for which of the following appliances shall be permissible to apply a demand factor of 75%? | B. Fixed appliances | 4 | |
| 9312629475 | The NEC allows the load calculation for the ground neutral conductor supplying electric ranges and dryers to have a demand factor of ______. | b. 70% | 5 | |
| 9312629476 | Which of the following is required to carry the lighting load for the residence in the figure above? | c. Two 15A circuits | 6 | |
| 9312629477 | How many square feet of livable space are in the home in figure above? | d. 1,200 | 7 | |
| 9312629478 | Which of the following is the minimum NEC lighting load requirement for the home in the figure above? | c. 3,600VA | 8 | |
| 9312629479 | Which of the following is an NEC-approved grounding electrode? | a. Metal underground water pipe in direct contact with the earth for 10 feet | 9 | |
| 9312629480 | The minimum clearance of service drop conductors over a residential driveway is reduced to 12 feet when the voltage is limited to ________. | c. 300V to ground | 10 | |
| 9312629481 | The section of the NEC that lists the requirements for installing service disconnecting means is ______. | d. NEC Section 230.70 | 11 | |
| 9312629482 | Romex is a trade name for _____. | b. Type NM cable | 12 | |
| 9312629483 | Cables routed through bored holes in framing members must maintain a distance from the nearest edge of not less than ______. | c. 1-1/4 inches | 13 | |
| 9312629484 | Which of the following must be supported at intervals of 6 feet or less? | c. Type MC cable | 14 | |
| 9312629485 | Which of the following will detect a current imbalance as low as 4 miliamps? | a. A GFCI sensor | 15 | |
| 9312629486 | When used as an outside service-entrance conductor, which of the following must be secured every 30 inches? | b. Type SE cable | 16 | |
| 9312629487 | Traveler conductors are used to connect two _______. | a. Three-way switches | 17 | |
| 9312629488 | To control a device from three locations, a four-way switch must be used with which of the following? | b. Two three- way switches | 18 | |
| 9312629489 | To control stairway lighting, a wall switch is required at each level when how many risers separate floor levels? | d. Six or more | 19 | |
| 9312629490 | Which section of the NEC covers the installation of pools and spas? | c. NEC Section 680 | 20 | |
| 9312629491 | A GFCI sensor will trip when the ____. | a. current in the neutral load is less than the current in the hot load. | 21 | |
| 9312629492 | Listed FMC may be used as an equipment grounding conductor if the circuit conductors are protected by overcurrent devices rated at ______ | b.20A or less | 22 | |
| 9312629493 | Which section of the NEC covers equipment grounding and equipment grounding conductors? | a. NEC Section 250 | 23 | |
| 9312629494 | One of the advantages of electric heat is that ______. | d. Initial installation costs are less than other types of systems | 24 | |
| 9312629495 | Any outlet that supplies power to a hot tub shall be _______. | b. GFCI protected | 25 | |
| 9312629496 | The conductors that extend from the panelboard to various outlets are called _____. | a. branch circuits | 26 | |
| 9312629497 | Exposed noncurremt-carrying metal parts of fixed equipment must be grounded if the equipment operates with any terminal over_____. | c. 150V to ground | 27 | |
| 9312629498 | Conductors used for electric heating units must be sized for what percentage of the heater's nameplate rating? | d. 125% | 28 | |
| 9312629499 | In a residential pool area, receptacles ______. | c. must be at least 6 feet from the inside walls of the pool | 29 | |
| 9312629500 | A grounding electrode conductor must be ______. | b. made of copper, aluminum, or copper-clad aluminum | 30 | |
| 9312629501 | An electric heat pump is a type of HVAC system that _____. | c. furnishes more energy than it consumes | 31 | |
| 9312629502 | Power to the entire residence is shut of at the main service disconnect located _______. | b. at the panelboard c. at the service drop | 32 | |
| 9312629503 | A feeder is used to connect _______. | a. the main service panel and a subpanel | 33 | |
| 9312629504 | When a noncombustible wall finish is used, an outlet box may be recessed______. | a. 1/4" | 34 |