Frequently Asked Questions
What size field wiring conduit should I use?
Locate the size conduit across the top and the wire size along the side. Where the two intersect on the table tells you approximately how many wires will fill the conduit. Example: 49 wires of 18 AWG will fit in 1 1/2" conduit.
| CONDUIT SIZES |
| Wire Size |
1" (25 mm) |
1 1/4" (32 mm) |
1 1/2" (40 mm) |
| 18 AWG |
20 |
34 |
49 |
| 16 AWG |
16 |
30 |
42 |
| 14 AWG |
10 |
18 |
25 |
| 12 AWG |
7 |
15 |
20 |
|