lesson 117

d. all of these

Good housekeeping ___. a. is an OSHA requirement b. keeps you safe c. saves time d. all of these

b. 56

A 4-gang 2 1/ 2" deep masonry box has a volume of ___ cubic inches. a. 84 b. 56 c. 18 d. 21 e. 14

a yes

Adjacent to the master bedroom in a home is a dressing room containing a vanity with a sink and a mirror. Entry to a room containing a Jacuzzi tub and a toilet is through a door from the dressing room. Are the dressing room and the Jacuzzi room considered to be a bathroom by the NEC ®? a. Yes b. No

e 3.4

Figure 117.202Circuit LA-4 originates in a 120/240-volt, 1Ø panelboard. All luminaires are rated for 120 volts. Each fluorescent luminaire contains 34-watt lamps. For circuit calculations use only the lamp load and disregard the current used by the ballasts. The 1' ? 4' luminaires are controlled by the SP switch. Type MC cable is installed as shown above. Refer to Figure 117.202. When all the luminaires are operating, ___ amps is flowing in each circuit conductor in Cable F. a. 4.25 b. 1.7 c. 2.83 d. 2.27 e. 3.4

d. any of these.

GFCI protection can be provided for receptacles serving kitchen countertop areas in a dwelling by installing ___. a. an AFCI circuit breaker with a GFCI receptacle at the first outlet on the circuit which can then protect downstream receptacles on the circuit. b. a dual-function AFCI/GFCI circuit-breaker on each 20-ampere small appliance branch circuit. c. an AFCI circuit breaker with GFCI receptacles at each location. d. any of these.

c. Immersion Detection Circuit Interrupter

IDCI is an abbreviation for ___. a. Immediate Disconnection of Circuit Current (I) b. Indicator of Device Cord Immersion c. Immersion Detection Circuit Interrupter d. none of these

a 5

In a bathroom, exposed non-current-carrying metal parts shall be connected to an equipment grounding conductor if they are within ___ horizontal feet of a grounded surface or object. a. 5 b. 3 c. 8 d. 6

a. 210.8(A)(1)

Section ___ in the NEC ® requires that receptacles in dwelling bathrooms be GFCI protected. Select N/A (not applicable) if there is not a Code reference for this. a. 210.8(A)(1) b. 210.8(B)(1) c. 210.8(A)(7) d. 210.8(B)(3) e. N/A

d. 410.10(D)

The Code reference that permits or prohibits surface-mounted luminaire installations in shower enclosures is ___. Select N/A (not applicable) if there is not a Code reference for this. a. 210.8(B)(1) b. 210.52(D) c. 410.10(A) d. 410.10(D) e. N/A

B 2

The fewest number of 20-amp kitchen countertop receptacle circuits that are permitted to be installed in a kitchen in a house is ___. a. 3 b. 2 c. 0 d. 1