F80 Code Requirements 4

Question 1

The NEC requires that receptacles replaced in a location that currently has no grounding means must be replaced with which of the following?

Accepted Answer

A GFCI-type receptacle labeled 'No Equipment Ground'

Answer

NEC 406.4(D)(2) permits replacing an ungrounded receptacle with a GFCI receptacle marked 'No Equipment Ground' where no equipment grounding conductor is available.

Question 2

Under NEC Article 410, luminaires installed in a clothes closet must maintain what minimum clearance from a storage area using surface-mounted incandescent fixtures?

Accepted Answer

Incandescent fixtures are not permitted in clothes closets

Answer

NEC 410.16(A) prohibits incandescent luminaires with open or partially enclosed lamps in clothes closets due to fire hazard.

Question 3

What is the maximum rating of an overcurrent device permitted to protect a 10 AWG copper conductor used in a branch circuit per the NEC?

Accepted Answer

30 amperes

Answer

NEC 240.4(D) limits protection for 10 AWG copper conductors to a maximum of 30 amperes.

Question 4

Under the NEC, what is the maximum number of conductors permitted to be connected under a single terminal screw on a receptacle?

Accepted Answer

One conductor only, unless the device is listed for more

Answer

NEC 110.14(A) requires that no more than one conductor be connected to a single terminal unless the terminal is specifically listed and identified for multiple conductors.

Question 5

According to NEC 210.19(A), branch-circuit conductors must have an ampacity of not less than what percentage of the continuous load plus the non-continuous load?

Accepted Answer

125% of continuous + 100% of non-continuous

Answer

NEC 210.19(A)(1) requires branch-circuit conductors to have an ampacity of not less than 125% of the continuous load plus 100% of the non-continuous load.

F80 Practice Test

F80 Practice Test

F80 Code Requirements 4