Electrical Conduit Fill Chart Emt

Jam ratio for 3 conductors only.

Electrical conduit fill chart emt.

Provides quick and easy results for the conduit fill percent per nec guidelines. Each row going across is a different size and type of conduit either emt imc or galvanized pipe rigid metal conduit rmc. Maximum number of same size wires at the per cent fill. Jam ratio between 2 8 and 3 2.

Conduit wire fill charts tables. 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 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.

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. Conduit fill calculator conduit fill is the percent of area inside the conduit taken up by the cable s. This conduit fill table is used to determine how many wires can be safely put into non pvc conduit tubing or pipe.

Emt rnc pvc 40 rnc pvc 80 rmc rigid grc imc ent flex lfmc rnc type db 60 rnc type eb 20. How to use a conduit fill chart. 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. Just select the conduit type and the wire insulation to get a quick table of conductor properties.

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. To view table 348 22 for 3 8 inch flexible metal and liquidtight flexible metal conduit open table 348 22 close table 348 22. The below chart is from table 1 in chapter 9 of the national electric code. Conduit wire fill charts tables.

The possible wire gauges go from 14 awg to 750 mcm and from conduit trade sizes of 1 2 inches to 4 inches. Welcome to the conduit fill calculator website.