What Is 500 Mcm Cable Used For

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What is 500 mcm cable used for.

The wire size chart below shows allowable ampacities of insulated conductors rated up to and including 2000 volts 60 c through 90 c 140 f through 194 f not more than three current carrying conductors in raceway cable or earth directly buried based on ambient air temperature of 30 c 86 f. It is acceptable to use rhw cables underground and in wet locations. 253 00 pvc insulation thickness conductor. Add to standard order compare add to preferred.

For example one common wire size used in the nec has a cross section of 250 000 circular mils written as 250 kcmil or 250 mcm which is the first size larger than 0000 awg used within the nec. De rated to 80 will allow 400 amps on the wire. 500 mcm thhn thwn 2 stranded copper 600v black 2500 ft reel. Mentor ohio 44060.

320 amps at 60ºc 380 amps at 75ºc 430 amps at 90ºc. Ph 440 951 7186 fax 440 951 1071. A circular mil is a circle with a diameter of 1 mil or 1 1000th of an inch. In many nec publications and uses large wires may be expressed in thousands of circular mils which is abbreviated in two different ways.

1 735 lbs per ft allowable ampacity. 37 cross section area mm2. The terms mcm and kcmil are used interchangeably by the national electric code to describe wires that are larger than 0000 american wire gauge. 1 520 mm 0 060 inches nylon jacket thickness.

500 mcm number of strands. 500 mcm wire is a stranded wire with the equivalent of 500 000 circular mils in cross sectional area. Building wire thhn stranded thhn 500 mcm 10 19. Thhn 500 mcm.

0 200 mm 0 008 inches outside diameter. Both mcm and kcmil mean 1 000 circular mils which is a unit used to measure the area of the circular cross section of a wire. 22 91 mm 0 902 inches weight. A 750 mcm wire with an insulation factor of 90 degrees c is rated at 500 amps.

Rhw 2 having the same inherent qualities as rhw the nec lists rhw 2 as having the ability to withstand heats of up to 90 c. Rhw cable can withstand heat up to 75 c and is water resistant.