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Conduit Fill Tables – NEC Table C Conductor Size – Awg / Kcmil – THHN / THWN SIZE 14 12 10 8 6 4 3 2 1 1/0 2/0 3/0 4/0 250 300 350 400 500 600 750 2 ½ EMT 241 176 111 64 46 28 24 20 15 12 10 8 7 6 5 4 4 3 2 1 ... 3/4 EMT 15 11 8 5 3 2 1 1 1 1 1 1 1 RMC 15 12 9 5 3 2 1 1 1 1 1 1 1 IMC 17 13 9 5 4 3 2 1 1 1 1 1 1 ...
Our NEC Conduit Fill Chart calculates THWN and THHN wire fill for EMT, IMT, rigid metal, or flexible metal conduit pipe using conduit trade size and AWG or MCM wire size.
Conduit Fill Tables – NEC Table C Conductor Size – Awg / Kcmil – XHHW SIZE 14 12 10 8 6 4 3 2 1 1/0 2/0 3/0 4/0 250 300 350 400 500 600 750 2 40½ EMT 168 129 96 53 39 28 24 20 15 13 10 9 7 6 5 4 3 2 1 RMC 140 107 80 44 33 24 20 17 12 10 9 7 6 5 4 3 2 1 IMC 147 113 84 47 35 25 21 18 13 11 9 7 6 5 4 3 2 1 135 103 77 43 32 23 19 16 12 10 8 7 6 5 4 3 2 1
28 Φεβ 2021 · The conduit or tubing fill for the assemblies shall be calculated based upon the individual conductors. The values for approximate conductor diameter and area shown in Table 5 are based on worst-case scenario and indicate round concentric-lay-stranded conductors.
Step 1: Locate “1-inch EMT” in the chart. Step 2: Look under the column for “12 AWG THHN.”. Step 3: Check the maximum number of wires allowed. For a 40% fill, the chart may show that a 1-inch EMT conduit can hold up to nine 12 AWG THHN wires, meaning that your planned installation of four wires is within safe limits. 7.
This conduit fill table is used to determine how many wires can be safely put in conduit tubing.The rows going across is the size of the conduit and the type. The columns going down shows the gauge of wire that is being used.
Chapman Electric offers a selection of pipe and conduit to meet your electrical or underground project needs. The NEC sets standards for the percent of volume that can safely be put into conduit. The below chart is from Table 1 in Chapter 9 of the National Electric Code.
