NEC 1
NEC 2
NEC 3
NEC 4
NEC 5
100
Branch-circuit conductors at outlet boxes are required to have at least ____ inches of free length for making
What is 6"
100
What is the minimum size aluminum conductor for a 100 amp service in a dwelling unit.
What is #2 AWG
100
Where four current-carrying conductors are installed in a raceway, it is necessary to reduce the allowable ampacity of the conductors to what?
What is 80%
100
What is the minimum size copper conductor for a 200 amp service on a dwelling unit?
What is 2/0 AWG
100

What code article would be used to describe the installation methods of the main bonding jumper

Article 250

200
According to ____, unused knockouts and other openings in electrical boxes and cabinets are required to be closed
What is NEC® 110.12(A)
200

What is the minimum size THHN copper conductor to carry 80 amps if installed in EMT with 3 current carrying conductors

What is #4 AWG

200

What is the maximum degrees of bend allowed between pull points in a FMC conduit run?

360 Degress

200
EMT must be supported within _______ ft of a box or fitting.
What is 3'
200

When can a tree be used to support an outdoor branch circuit?

Never! 225.26

300

Generally receptacles must be located _______ apart in a dwelling unit along the walls.

12', 210.52

300

A concrete encased electrode shall be at least ________ feet long.

20'

300
What is the correction factor for a THHN copper conductor in an ambient temperature of 125 degrees F.
What is .76
300

List the code article and section where GFCI protection is required in a dwelling unit.

What is 210.8

300

What is the maximum distance between supports for a 2" RMC conduit run that uses threaded fittings and supports reducing transmission of stresses?

16', T344.(b)

400

A device box contains a 3-way switch, one 12/3 nonmetallic sheathed cable and internal clamps . The equivalent conductor count for the device box fill is

What is 7

400

________ volt-amperes/ft2 is used to calculate the general lighting load for a police station.

1.3, T220.42(A)

400

What is the minimum size NM copper conductor permitted to carry 50 amps?

#6 AWG

400

List the code article and section where AFCI protection is required in a dwelling unit

What is 210.12

400

The width of the working space in front of the electrical equipment shall be the width of the equipment or how many inches?

What is 30"

500
If there are 7 current carrying conductors in a conduit, the adjustment factor to be used to determine the ampacity of the conductors is:
What is 70%
500

In general what is the maximum number of disconnects permitted for a service?  

6, 230.71

500

The 20-ampere small appliance circuits required by NEC® 210 are permitted to serve no other loads, except for?

What is Clock outlets and receptacles intended for the cords of gas fired cooking equipment

500

What normal current carrying conductor is intentionally grounded?

neutral, grounded conductor is acceptable

500

A 480V branch circuit supplies an electric-discharge lamp in a tunnel.  What is the minimum height that it must be mounted?

18', 210.6 

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