2021 ICC E1 Residential Electrical Inspector Exam Quiz Welcome to your free 2021 ICC E1 Residential Electrical Inspector Exam Quiz REQUIRED - Enter your email address and receive a printable copy of your test results. 1. The maximum permitted supply circuit voltage for a luminaire installed and submerged beneath the surface of a permanently installed swimming pool is? 15 volts 120 volts 150 volts 240 volts None 2. What are the horizontal and vertical dimensions of the required clear zone above a bathtub rim or shower stall threshold where suspended light fixtures and ceiling fans are prohibited? 8 feet horizontally and 3 feet vertically 3 feet horizontally and 8 feet vertically 5 feet horizontally and 8 feet vertically 8 feet horizontally and 6 feet vertically None 3. If a 15-ampere branch circuit supplies power to two or more receptacles, what is the minimum permitted ampere rating for any individual receptacle on that circuit? 15 amperes 20 amperes 25 amperes 30 amperes None 4. What type of protection is required for outdoor fixed electric deicing and snow-melting equipment? Arc-fault circuit-interrupter (AFCI) protection Ground-fault circuit-interrupter (GFCI) protection A dedicated 240-volt circuit A readily accessible disconnecting means only None 5. The flexible cord connecting a built-in dishwasher shall have a maximum length of: 24 inches 36 inches 60 inches 78 inches None 6. A feeder (70 A) and a branch circuit (20 A) share the same underground trench in the same cable assembly. One common copper EGC will be installed. What is the minimum sizing basis? The average of both breaker ratings The sum of both breaker ratings The 20-amp branch circuit’s overcurrent device The 70-amp feeder’s overcurrent device None 7. A dwelling has two required 20-A small-appliance circuits and one 20-A laundry circuit. What VA must be included before applying demand factors? 3000 4500 1500 6000 None 8. What is the minimum required ampacity for the main ungrounded service conductors supplying a new one-family dwelling? 60 amperes 100 amperes 125 amperes 200 amperes None 9. The air-conditioning load shall be calculated at __________ percent of the nameplate rating, regardless of the number present when using the optional calculation method. 85% 100% 115% 125% None 10. In damp or wet locations, metal cabinets and cutout boxes of the surface type shall be mounted so there is a minimum air space between the enclosure and wall or other supporting surface of how many inches? 1/4 in. (6 mm) 3/8 in. (1 mm) 1/2 in. (13 mm) 1 in. (25 mm) None 11. Receptacle outlets on wall countertop space must be installed so that no point along the wall line is more than __________, measured horizontally from a receptacle outlet in that space. 12 inches 18 inches 24 inches 30 inches None 12. Kitchen countertop receptacles must be served by at least two 20-ampere-rated branch circuits. Both or either is also permitted to supply other receptacle outlets in what areas? (Exceptions ignored.) dining area, & outlets for refrigeration appliances pantry, breakfast & dining areas, refrigeration appliance outlets pantry, breakfast and laundry area pantry & dining area None 13. Which one of the following is permitted in the equipment space directly above or below a service panelboard mounted on a basement wall? A metal water pipe supplying a nearby water heater A nonmetallic water pipe supplying an adjacent laundry Electrical metallic tubing (EMT) protecting Type NM cable fed from the panelboard Heating/cooling duct serving the area where the panelboard is located None 14. Which of the following markings is Type NM cable not required to have? AWG size or circular mil area manufacturer's name, trademark, or distinctive marking maximum rated ampacity maximum rated voltage None 15. What is the minimum service load, per square foot of floor area, that must be provided for convenience receptacle outlets and general lighting? 1 volt-amperes 3 volt-amperes 6 volt-amperes 10 volt-amperes None 16. Equipment grounding conductor __________ AWG and smaller shall have their insulation for their entire length colored green or green with one or more yellow stripes. 1 2 4 6 None 17. A new 3-wire 400-amp service for a large custom single-family dwelling is installed with two parallel sets of 250-kcmil copper conductors in two separate metallic raceways (one set in each raceway) into the enclosure for the service-disconnect circuit breaker. Where individual supply-side bonding jumpers are installed for each raceway, the minimum size supply-side bonding jumper to the bonding bushing installed on each raceway is: 1/0 AWG aluminum 1/0 AWG copper 2/0 AWG aluminum 2 AWG copper None 18. What is the maximum allowable on center support spacing for Type AC wiring method in an above-ground installation? 3 feet 3.5 feet 4 feet 4.5 feet None 19. A recessed luminaire not identified for contact with insulation shall have a clearance of at least __________ from combustible materials. 1/16 inch 1/8 inch 1/4 inch 1/2 inch None 20. A disconnecting means is required for all heating units where supplementary protection of heating elements is fuses and blower motor is over __________ horsepower. 1/8 1/4 1/2 3/4 None Time is Up!
