2024 ICC E1 Residential Electrical Inspector Exam Quiz Welcome to your free 2024 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. What percentage of the nameplate rating must be included in the minimum service calculation for air conditioning and cooling equipment? 85% 100% 115% 125% None 10. In a Class 2 circuit, which cable type is required for vertical runs in a shaft or from floor to floor? CL2 CL2P CL2R CL2X None 11. A hand bend in EMT shows ovalizing that reduces the internal diameter in the bend area. Which action brings this installation into compliance with the bends requirement for raceways? Keep the bend and just recalc conductor fill to verify percent occupancy Leave the bend in place and upsize conductors for additional mechanical margin Re-bend or replace the section so the wiring method is not damaged and ID is maintained Retain the bend and only ream the ends to remove any sharp burrs at terminations None 12. For an outlet box that does not house a device or any utilization equipment, what is the minimum specified internal depth? 1/4 inch 1/2 inch 3/4 inch 1 inch None 13. A 240 V circuit delivers 40 A to a load 150 ft away with #4 copper (0.248 Ω/1000 ft). What is the drop? 2.0 V 3.0 V 4.0 V 5.0 V None 14. Services rated over __________ amperes are not covered by the standard residential electrical code. 200 300 400 100 None 15. You’ve rough-wired a bedroom on 14 AWG copper NM-B. The calculated load is 11 A. What is the largest breaker you can install? 10 A 15 A 20 A 25 A None 16. You’re sizing/locating overcurrent protective device (OCPD) protection for feeders and branch circuits. At what point relative to the conductors must the OCPD be installed/connected? At the point where the conductors terminate at the load equipment. At any readily accessible point along the length of the run. At the point where the conductors to be protected receive their supply. Within 10 feet of the main service disconnect, regardless of the circuit's origin. None 17. A dwelling has 1,200 square feet of habitable floor area (based on outside dimensions). What is the minimum lighting and general-use receptacle load required? 1,800 VA 3,600 VA 2,400 VA 900 VA None 18. A 240-V circuit supplies: one fastened-in-place motor at 9 A (largest motor), a second motor at 4 A, and a 1.2 kVA fixed appliance. What is the minimum calculated load (in amperes)? 14 A 16 A 18 A 20 A None 19. What is the required relationship between ampacity of branch-circuit and feeder conductors and the maximum load to be served? Ampacity shall be not greater than the maximum load. Ampacity shall be not less than the maximum load. Ampacity shall be equal to 80 percent of the maximum load. Ampacity shall be based only on continuous loads. None 20. Which of the following statements is true regarding panelboards in a one- or two-family dwelling? A panelboard is limited to a maximum of 42 circuits. Panelboards are permitted to be located in bathrooms. The dedicated space required for a panelboard is 30 inches wide by 36 inches deep. They must be legibly identified as to their clear, evident and specific purpose or use. None Prove you are human: Time is Up!
