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Conduit wire fill charts tables.
Electrical conduit fill chart emt. Each column going up and down is a different gauge of wire. 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. The nec sets standards for the percent of volume that can safely be put into conduit. This online conduit fill calculator is compatible with the us national electrical code nec.
Conduit fill calculator conduit fill is the percent of area inside the conduit taken up by the cable s. 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. Just select the conduit type and the wire insulation to get a quick table of conductor properties.
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. Jam ratio between 2 8 and 3 2. Emt rnc pvc 40 rnc pvc 80 rmc rigid grc imc ent flex lfmc rnc type db 60 rnc type eb 20.
Chapman electric offers a selection of pipe and conduit to meet your electrical or underground project needs. Conduit wire fill charts tables. 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. Each row going across is a different size and type of conduit either emt imc or galvanized pipe rigid metal conduit rmc.
The possible wire gauges go from 14 awg to 750 mcm and from conduit trade sizes of 1 2 inches to 4 inches. Trade size interior diameter exterior diameter interior area exterior area interior volume per exterior volume per 1 2 0 62 in. Jam ratio for 3 conductors only. 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.
Welcome to the conduit fill calculator website. How to use a conduit fill chart.
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