For electrically operated in - sink waste disposers, what is the minimum and maximum length allowed for electrical cable?
18 inches- 36 inches.
422.16 (B)(1)(2)
Rigid metal conduit must be securely fastened with
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For electrically operated in - sink waste disposers, what is the minimum and maximum length allowed for electrical cable?
18 inches- 36 inches.
422.16 (B)(1)(2)
Rigid metal conduit must be securely fastened within how many feet of junction box?
3 feet.
344.30 (A)
*See exceptions
In a health care location where flammable anesthetics are employed, the entire area shall be considered to be a Class 1 Division 1 location that extends upward to a level of how many feet above the floor?
5 feet.
517.60 (A)(1)
Surge arrestors are grounded at the arrestor grounding terminal and the arrestor grounding conductor is ran in a metal enclosure. The grounding conductor must be bonded on which end of the enclosure?
Both ends of enclosure.
280.25
Single throw knife switches shall be mounted so gravity will not do what to the circuit?
Close.
404.6 (A)
Where direct buried conductors or cables emerge from the ground, they shall be protected by enclosures or raceways. In no case shall protection be required how many inches below finished grade?
18 inches.
300.5 (D)(1)
According to the NEC what lamps shall not be installed in closets?
Pendant
Electrical loads for a structural addition over ____ square feet to an existing dwelling unit requires a recalculation of electrical service load.
500 square feet.
220.16 (A)(1)
A dwelling central heating unit furnace must be on its own ____ branch circuit.
Individual.
422.12
What is the minimum distance combustible material, such as insulation, can be to non - type IV recessed luminaire.
1/2 inch.
410.116 (A)(1)
Conduit using lock - nut fittings shall not be attached to the ____ side of a round box?
Round.
314.2
What continuous color shall be used for the grounding conductor?
Green.
200.6-200.6 (E)
400.23
550.10 (B)
#12 THWN wire is attached to 75 degree Celsius devices. The wire is in a raceway with four other current carrying cnductors. What is the allowable ampa city of the #12 wire?
20 amps.
310.15 (B)(2)(A)
*240.4 (D)(5)
A systems 50-1000 volts shall be ungrounded where voltage to ground does not exceed ____ volts.
150.
250.20 (B)(1)
Which of the following is not a standard fuse or inverse time breaker size?
35, 45, 50, 55.
55.
240.6 (A)
No horizontal point along a wall of a kitchen counter -top may be more than ____ inches from a receptacle outlet.
24 imches.
210.52 (B)
What is the reason for rewiring Edison Base fuse holders to have type "S" fuse adapter installed?
Non - interchangeable ampacities.
240.53(B)
Small appliance branch circuits shall NOT supply ____.
Switched light circuit.
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