Answer Happy

Calculating Box Fill: 1. A conductor that originates outside of a box and terminates or is spliced within the box counts as? 2. An external clamp within box count as? 3. Two internal clamps count as? 4. Yoke devices count as? 5. One or more grounding conductors count as? 6. A # 12AWG conductor requires how many cubic inches of space? 225 in 314.16 (3) (TBL) 7. What is the volume of a metal 4 x 4 x 1% inch box? in' For the following box fill problems, show all work. No credit will be given if work is not shown. 8. AWG conductors, one 14 AWG grounding conductor, two internal clamps, and a A metal device box has two receptacle: Conductors. 2 2pts grands Total volume: 10 3x2x2 clamps Device box size: yoke's 9. A plastic ceiling box has a capacity of 28 in'. Calculate the maximum number of 14 AWG conductors. 1pt Number of 14 AWG conductors: Cond or Volume 1 pt 144 NEC Citation 1pt

10. A metal 4 x 4 x 1 ½ inch box is going to be used with a plaster ring that has a volume of 10 cu. in. 6pts What is the total volume of the box and plaster ring? Based on an empty box, what is the maximum number of #12 AWG conductors this box can hold? However, the box will eventually hold one single pole switch, one three-way switch, a ground wire and it has external clamps. How many #12 AWG conductors can this box hold taking into account what is already being placed into the box? Extra credit: show all work. No credit will be given if work is not shown. 10pts You will using a three-gang plastic device box with no internal clamps. What minimum size box in cubic inches will contain: Two # 14-3 cables One receptacle Three #14-2 cables Two switches Total volume: