Cable, wiring, connectors for solar panels and solar, wind, and backup electric systems.

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Concerned about quality?  Call 1 (800) 472-1142 or 1 (530) 926-2900 M-F 8 am to 5 pm PST or email at
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Cable, Wiring, MC Connectors

Solar Panel Wires

MC4 Cables

Dual Extensions

Bulk Wire Parts

Battery Cables

Wholesale Solar carries high quality 4 Star Solar PV Wires, Battery Interconnects, and Battery to Inverter cables. Not sure what you need? Call a Wholesale Solar Tech at 1 (800) 472-1142 or send us a request via email.

Solar cable

All current PV Wires are fitted with MC4 1000v locking connectors and are compatible with almost all solar panels currently manufactured.

Not sure if your solar panels work with MC4 connectors? Call a Wholesale Solar Tech at 1 (800) 472-1142 or send us a request via email.

You can also check out our MC4 cable guide.

If you're looking for fuses, please visit our fuses page.

Diagrams are drawn larger than actual size of plugs.

MC4 Cables
MC4 Cable Connectors
MC4 Cables
Part Number

Dual Extensions
Part Number

Bulk Wire Parts

Part Number
Price by foot
MC4 Unlocking Tool
MC4 Male Connector (1) Solarline
MC4 Female Connector (1) Solarline

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to order:
1 (800) 472-1142

Bulk Cable Order Form (We'll beat any price!)
Please only use the form for ordering 100 or more pieces. For less then a 100 pieces call us at 1 (800) 472-1142, or email

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What are you interested purchasing in bulk? (Required) PV cable connectors
Pre-assembled PV cables
Battery cable & lugs
Pre-assembled battery cables
Bulk PV wire
PV cable adaptors (MC4 to Tyco etc.)
Branch couplers
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