21.Which of the following wiring methods may be used inside the duct used for vapor removal and ventilation of commercial type cooking equipment? (a.) nonmetallic sheathed cable (b.) EMT (c.) rigid steel conduit (d.) none of these 22. Ground-fault circuit-interrupter (GFCI) protection is required in all of the following locations EXCEPT: (a.) kitchen receptacles in an office building lunchroom installed within 6’ of the sink (b.) kitchen receptacles in a dwelling installed to serve counter top surfaces 10’ away from the sink (c.) receptacles in an office building restroom which has only a basin and toilet (d.) receptacle provided for servicing a rooftop air conditioning unit on the roof of a warehouse 23. Where GFCI protection is located in the power supply cord for an outdoor portable sign, the ground-fault circuit interrupter shall be located within _____inches of the attachment plug. (a.) 6 (c.) 18 (b.) 12 (d.) 24
21.Which of the following wiring methods may be used inside the duct used for vapor removal and ventilation of commercial type cooking equipment?
(a.) nonmetallic sheathed cable (b.) EMT (c.) rigid steel conduit (d.) none of these
22. Ground-fault circuit-interrupter (GFCI) protection is required in all of the following locations EXCEPT: (a.) kitchen receptacles in an office building lunchroom installed within 6’ of the sink
(b.) kitchen receptacles in a dwelling installed to serve counter top surfaces 10’ away from the sink
(c.) receptacles in an office building restroom which has only a basin and toilet
(d.) receptacle provided for servicing a rooftop air conditioning unit on the roof of a warehouse
23. Where GFCI protection is located in the power supply cord for an outdoor portable sign, the ground-fault circuit interrupter shall be located within _____inches of the attachment plug.
(a.) 6 (c.) 18 (b.) 12 (d.) 24
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