Unit 5
What's the cross sectional area in square inches for an 8 AWG bare solid conductor
0.013 sq in
What's the cross sectional area in square inches for a 14 RHW conductor
0.0209 sq in.
What's the cross-sectional area in square inches for a 10 THHN conductor
0.0211 sq in.
What's the cross sectional area in square inches for a 10THW conductor
0.0243 sq in.
What's the cross sectional area in square inches for a 12 RHH conductor
0.0353 sq in.
How many 12 RHH conductors (with outer cover) can be installed in a trade size 1 IMC raceway
11 conductors
An existing trade size ¾ rigid metal conduit that doesn't exceed 24 in. in length contains four 10 THHN conductors and one 10 AWG (bare stranded) ground wire. How many additional 10 THHN conductors can be installed?
11 conducturs
What's the minimum distance between the trade size 2 raceways that contain the same conductors?
12
What's the maximum number of 400 kcmil THHN conductors that can be installed in a 6 in. x 6 in. wireway?
12 conductors
What's the minimum distance from the bottom wall to the top wall?
14in
What's the minimum distance from the left wall to the right
14in
What's the minimum distance between the raceways of the angle pull?
15 in
What's the minimum distance from the bottom wall to the top wall?
15 in
What's the cross-sectional area of a 4 in. * 4 in.
16 sq in
How many 14 AWG conductors can be pulled through a 4 in. x 1½ in. square box with a plaster ring marked 3.60 cu in.?The box already contains two duplex receptacles, five 14 AWG conductors, and two grounding conductors.
2 conductors
What's the minimum distance from the left wall to the right wall?
20 in
How many 18 TF conductors can be installed in trade size ¾/ electrical metallic tubing?
24 conductors
How many 16 TFFN conductors can be installed in trade size ¾ electrical metallic tubing?
29 conductors
How many 4/0 RHH conductors with an outer cover can be installed in trade size 2 MC? Note: RHH insulation with an outer cover has no asterisk
3 conductors
What's the maximum allowable sq in. of conductor fill for a 4 in. * 4 in. wireway?
3.20 sq in
What's the minimum trade size EMT required for Type Ch having a major diameter (ellipse) of 0.50 in?
3/4
Three THHN compact conductors are needed in a trade size 2 rigid metal conduit. What's the largest compact conductor that can be
350 kcmil
It's permitted to omit one equipment grounding conde not more than______ 18 AWG or 16 AG fixture wits enter a box from a luminaire canopy.
4
What size outtet box is required for one 12/2 W/G NM cable that terminates on a switch and one 12/3 W/G NM cable that terminates on a receptacle? The box has cable clamps.
4 in. × 2 1/8in. square box
The actual area of conductor Phil is dependent on the raceway size, and the number of conductors installed if there are three
40 percent
What size box is the minimum required for six 14 THHN conductors and three 14 THW conductors?
4in. X 1¼ in. square box
How many 6 THW-2 compact conductors can be installed in trade size 1 EMT
5 conductur
When a raceway doesn't exceed 24 in. in length, the raceway is permitted to be filled to percent of its cross-sectional area.
60
What's the minimum size wireway required for six 500 kcmil THHN conductors?
6in
How many 1/0 XHHW conductors can be installed in trade size 2 flexible metal conduit?
7 conducturs
How many 10 AWG conductors are permitted in a 4 in. square × 1½ in. deep box?
8 conductors
How many 6 RHH conductors (without outer cover) can be installed in trade size 1¼ electrical nonmetallic tubing?
8 conductors
When all the conductors are the same size (total cross-sectional area including insulation), the number of conductors permitted in a raceway can be determined by simply looking at the Tables in of the
Annex C
According to Annex C, Table C.1, three 3/0 THHN conductors can be installed in 1½ EMT. Will this installation have the possibility of jamming
No
What trade size ENT is required for four fiber optic cables haig a diameter of 0.30 inches?
Trade size 1
What trade ste on / T ear the THN conductors, one e/ay is 24
Trade size 1 1/2
What's the smallest trade size PVC Schedule 40 raceway that can be used for the installation of four 1/0 THHN
Trade size 1 1/2
What trade size ENT is required for three fiber optic cale. having a diameter of 0.20 inches?
Trade size 1/2
A 200A feeder installed in Schedule 80 PVC has three 3/0 THHN conductors, one 2 THHN conductor, and one 6 THHN conductor. What size raceway is required?
Trade size 2 raceway
What trade size ENT raceway is required for four at can having a diameter of 0.22 inches?
Trade size 3/4
When equipment grounding conductors are installed in a raceway, the actual area of the conductor must be used when calculating raceway fill.
True
Can a round 4 in. x ½z in. box marked a ****. clamps supied with 42 x mate n, nare that has two 18 TEN conductoran an e
Yes
