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6/3 MC Copper Cable, PVC jacket

Metal clad cable with THHN conductors and a green ground inside an interlocked aluminum armor, for feeders and branch circuits without conduit.

Per foot at 25 ft$4.63/ft

Product image of MC cable, representative of the family

Choose colors and lengths

Color: we confirm it with you before the order ships.

By the foot: cut to your length, final sale. Spool: the factory put-up, returnable uncut, never more per foot than a cut. Cut wire is final sale.

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    • $4.63/ft
      Ships by Fri, Oct 9
Total $0.001 line

Ships by Fri, Oct 9

For an order placed now. Orders after 12 PM ET, and on weekends and holidays, count from the next business day.

You get a tracking number by email the day it ships.

Free UPS Ground shipping from $499 to the lower 48. A reel over 150 lb ships by freight, charged in the cart.

Cut wire is final sale. Uncut spools can come back within 30 days for a 15 percent restocking fee. Returns policy

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At a glance

Ampacity65 A (NEC Table 310.16, 75 C column)
Largest breaker65 A, or the next standard size up where NEC 240.4(B) allows. With 60 C rated terminals (the NEC 110.14(C) default at 100 A or less unless the equipment is marked 75 C) it is 55 A.
Voltage drop at 100 ft6.38 V, 2.7 percent at 65 A and 240 V single phase
Run length for 3 percent dropAbout 110 ft one way at 65 A and 240 V
Outside diameter0.797 in

Questions about this size

What breaker can 6/3 MC Copper Cable, PVC jacket go on?
Its ampacity is 65 A (75 C column of NEC Table 310.16). The breaker can be that size, or the next standard size up where NEC 240.4(B) allows it. Derate first for more than three current-carrying conductors or high ambient heat. With 60 C rated terminals (the NEC 110.14(C) default at 100 A or less unless the equipment is marked 75 C) it is 55 A.
How far can I run it before voltage drop is a problem?
At 65 A on a 240 V single phase circuit, about 110 ft one way keeps the drop at 3 percent, the figure an informational note to NEC 210.19(A) suggests for branch circuits. Try other loads in the voltage drop calculator.
Can I buy it by the foot?
Yes, cut to length in whole feet from 25 ft, or on 50, 100, 250, 1,000 ft spools. Cut wire is final sale; uncut spools can be returned within 30 days.

Full specifications

TypeMC cable
Gauge6/3
Conductors3
Conductorcopper
Strandingstranded
Nominal O.D.0.797 in
Ampacity, NEC Table 310.16, 75 C column65 A
Sold by the footFrom 25 ft to 5,000 ft, in whole feet
Standard spools50, 100, 250, 1,000 ft
Ships in1 to 2 business days from the order day

Insulation, ratings, listing and weight are confirmed from the manufacturer's sheet with your quote.

Spec sheet on request.