Electrical Conduit Fill Chart Emt

The nec sets standards for the percent of volume that can safely be put into conduit.

Electrical conduit fill chart emt.

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 emt 241 176 111 64 46 28 24 20 15 12 10 8 7 6 5 4 4 3 2 1 rmc 200 146 92 53 38 23 20 17 12 10 8 7 6 5 4 3 3 2 1 1. Maximum number of same size wires at the per cent fill. This conduit fill table is used to determine how many wires can be safely put into non pvc conduit tubing or pipe. Provides quick and easy results for the conduit fill percent per nec guidelines.

Determine the proper wire size for an electrical circuit based on the voltage drop and current carrying capacity of an electrical circuit. Typical conduit fill chart the following is a typical conduit fill chart which shows data for different types of conduit such as emt conduit imc conduit and grc conduit. Trade size wire size thwn thhn conductor size awg kcmil 14 12 10 8 6 4 3 2 1 1 0 2 0 3 0 4 0 250 300 350 400 500 600 700 750 1 2 emt 12 9 5 3 2 1 1 1 1 1 imc 14 10 6 3 2 1 1 1 1 1 1 grc. Jam ratio for 3 conductors only.

Welcome to the conduit fill calculator website. Conduit wire fill charts tables. Jam ratio between 2 8 and 3 2. Chapman electric offers a selection of pipe and conduit to meet your electrical or underground project needs.

We hope to provide you with the best online conduit fill calculator as well as all relevant information regarding conduits conduit fill conduit accessories and more. The below chart is from table 1 in chapter 9 of the national electric code. The possible wire gauges go from 14 awg to 750 mcm and from conduit trade sizes of 1 2 inches to 4 inches. Conduit wire fill charts tables.

Emt rnc pvc 40 rnc pvc 80 rmc rigid grc imc ent flex lfmc rnc type db 60 rnc type eb 20. To view table 348 22 for 3 8 inch flexible metal and liquidtight flexible metal conduit open table 348 22 close table 348 22. How to use a conduit fill chart. Each row going across is a different size and type of conduit either emt imc or galvanized pipe rigid metal conduit rmc.

Trade size interior diameter exterior diameter interior area exterior area interior volume per exterior volume per 1 2 0 62 in. Each column going up and down is a different gauge of wire.