Questions & Answers 100% Correct!!
A fixed light will be allowed to be 30 amp provided the socket is rated ____ duty.
a. Light
b. Medium
c. Heavy
d. Extra Heavy - ANSWERc. Heavy
From the Skilled Trades Act, Section 7 "Except as otherwise provided in this article or in subsection
(3), and individual other than an individual who is licensed under this article and ______________
working under the direction of a holder of an electrical contractors licence, shall not in any manner
undertake to execute any electrical work". - ANSWER...And employed by and...
A box with (2) 14/3 NM, one yoke, and a clamp requires a minimum or _____ cubic inches.
a. 16
b. 18
c. 20
d. 22 - ANSWERc. 20
NM Cable in a 2x4x2.5 plastic box will not require a cable clamp if secured within _____ inches of the
box.
a. 8
b. 12
c. 16
d. 20 - ANSWERa. 8
A box with #10 AWG THHN will require a free space of _____inches.
a. 2
b. 2.25
c. 2.5
,d. 3 - ANSWERc. 2.5 (See Table 314.16 (B).)
A mobile home with 100 amp service will require service conductors of ____ AWG.
a. #4
b. #3
c. #2
d. #1 - ANSWERa. #4 (See 550.33 (B) and 310.15 (B)(7).)
Permanently installed pool motors shall have a cord length of_____
a. 3ft
b. 6ft
c. 12ft
d. 20ft - ANSWERa. 3ft (See 680.21 (A)(3).)
The conductor feeding a wet-niche pool light will be _____
a. Electrical Metallic Conduit
b. Rigid conduit made of brass
c. Flexible metallic conduit
d. Something else..... - ANSWERb. Rigid conduit made of brass (See 680.23(B)(2) and (B)(2)(a).)
Which conductor is not allowed to be used as a service conductor?
a. USE
b. MC Cable
c. Underground Feeder
d. MI Cable - ANSWERc. Underground Feeder (See 338.12 (B)
What is the % conduit fill used in a nipple that does not exceed 24" - ANSWERA: 60% (see chapter 9
table 1 note (4).)
Car Wash Receptacle must be - ANSWERWR Weather Resistant (see 406.9 (B)(1).)
, Overhead Service conductor clearance for pedestrian walkway - ANSWER10' (see 230.24 (B)(1).)
Snap switch used for motor must not exceed - ANSWER80% of the amp rating of the switch (see
404.14 (A)(3).)
Max amperage of Edison based fuse - ANSWER30A (see 240.51 (A).)
What can you put on a small appliance circuit. - ANSWERReceptacles for a gas fired range, oven, or
countertop cooking unit (see 210.52 (B)(2) Exception 2)
Type of branch circuit needed for a furnace or other central heating equipment - ANSWERIndividual
Branch Circuit (see 422.12)
A service with (4) 4" PVC conduits with (4) 800KCMIL feeder in each will require a main bonding
jumper of what AWG?
a. 4/0
b. 1/0
c. 250 KCMIL
d. 500 KCMIL - ANSWERd. 500 KCMIL (See Table 250.102 (C)(1) and Chapter 9 Table 8
A conduit protecting the grounding electrode conductor shall be bonded to the ____ at both ends. -
ANSWERGrounding Electrode Conductor (See 250.66(E)(1).)
A grounding electrode encased in concrete shall be _____ft long and _____ in circumference.
a. 8ft, 5/8"
b. 12ft, 1⁄2"
c. 20ft, 1⁄2"
d. Something else... - ANSWERc. 20ft, 1⁄2" (See 250.52(A)(3).)
The required outlet for an in-ground pool shall be mounted _____
a. On the wall of a building 21 feet from waters edge
b. On a balcony 8 feet above water level
c. On a support 3 feet from waters edge
d. On a post 6'6" above grade level - ANSWERd. On a post 6'6" above grade level (See 680.22(A)(1).)