8/3 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.
Price on request

Ships from our distribution partner in 1 to 2 business days.
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
Questions about this wire?
- Call (509) 303-4726, Mon to Fri, 9am to 5pm Eastern
- Email sales@wirewombat.com
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At a glance
| Ampacity | 50 A (NEC Table 310.16, 75 C column) |
|---|---|
| Largest breaker | 50 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 40 A. |
| Voltage drop at 100 ft | 7.78 V, 3.2 percent at 50 A and 240 V single phase |
| Run length for 3 percent drop | About 90 ft one way at 50 A and 240 V |
| Outside diameter | 0.712 in |
Questions about this size
- What breaker can 8/3 MC Copper Cable, PVC jacket go on?
- Its ampacity is 50 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 40 A.
- How far can I run it before voltage drop is a problem?
- At 50 A on a 240 V single phase circuit, about 90 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.
Specifications
| Type | MC cable |
|---|---|
| Gauge | 8/3 |
| Conductors | 3 |
| Conductor | copper |
| Stranding | stranded |
| Nominal O.D. | 0.712 in |
| Ampacity, NEC Table 310.16, 75 C column | 50 A |
| Ships in | 1 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.
Questions
- What is the smallest cut?
- 25 ft for this product, in whole feet, up to 5,000 ft per row. Each length ships on its own coil.
- Can I return cut wire?
- No. Cut wire is final sale. Uncut, unopened spools and boxes can come back within 30 days for a 15 percent restocking fee.
- When does it ship?
- The ship dates beside Add to cart are for this product and count business days in Eastern time. You get a tracking number by email the day it ships.
Other gauges of this wire
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- 10/210/2 MC Copper Cable, PVC jacket, Solid$3.12
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- 10/210/2 MC Copper Cable, Stranded$2.23
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- 10/310/3 MC Copper Cable, PVC jacket, Solid$6.02
- 10/310/3 MC Copper Cable, Solid$2.21
- 10/310/3 MC Copper Cable, Stranded$3.38
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- 10/410/4 MC Copper Cable, Health care facility, ArmoredOn request
- 10/410/4 MC Copper Cable, PVC jacket, Solid$6.23
- 10/410/4 MC Copper Cable, SolidOn request
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- 8/28/2 MC Copper Cable$2.67
- 8/38/3 MC Copper Cable$4.33
- 8/48/4 MC Copper Cable$4.90
- 6/26/2 MC Copper Cable$4.17
- 6/26/2 MC Copper Cable, PVC jacket$3.06
- 6/36/3 MC Copper Cable$5.27
- 6/36/3 MC Copper Cable, PVC jacket$4.63
- 6/46/4 MC Copper Cable$6.95
