Wire for Off grid solar systems
(I make a commission for purchases made through the links below)
Beginner friendly battery to inverter cables
Beginner Friendly Battery to Battery Cables
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Connect your solar batteries in parallel or series configuration with these prefabricated cables
Any size battery (be sure to select the right size for your battery bank) Click Here |
Custom-built system inverter/solar charge controller connection wire (requires crimping)
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High Quality Pure Copper Large Wire Gauge Cable/ Connector/ Heatshrink Kit for Custom Built Systems
Requires a Hammer-type/Large Ratchet Crimper and DIY Assembly. Great for custom-built systems where length of each wire matters. If you are a beginner, stick to the cables above. Click on a link below and choose your length (default length is 10 feet of red, 10 feet of black): |
Solar Panel Array to Solar charge controller wire
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Advanced user solar panel array to solar charge controller cable
This is temco. It is high quality pv cable that is great for long wire runs (even hundreds of feet!) This wire requires cutting stripping and crimping the appropriate connectors. I have spent hundreds on this cable and it has every safety rating imaginable. Highly recommended! Click Here |
DC Load Hook up wire
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High quality automotive rated
10-14 gauge wire Use this to connect critical loads to your fuse block. This is tough wire that can last for ages and handle oil/water/vibrations and more! Great stuff. Click Here for Black Click Here for Red |
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High-Quality Copper Wire for small DC appliance hookup (most wire on amazon is "copper clad aluminum", which is cheaper but lower in quality) Use this for small DC appliances, such as LED lights etc:
50 feet 12 gauge transparent insulation Click Here 100 feet 12 gauge transparent insulation Click Here |
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Bus Bars
Crimp Connectors
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Standard Size Crimp Connectors (22 gauge wire-10 gauge wire)
Use these to connect various parts of your system together. Be sure to buy high quality connectors or you will have problems. I have used cheap connectors in the past that have overheated and failed. These connectors are what I am currently using: Click here |
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Large copper Terminal Connectors.
I have a few boxes of these on hand at all times. Thick walls ensure a true cold weld every time. Click Here |
Branch Connectors
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Wiring multiple panels or groups of panels together in parallel requires a branch connector. This will allow you to only have 2 wires going through your roof and to your solar charge controller.
2 panel connector Click Here 3 panel connector Click Here 4 panel connector Click Here 
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Solar Panel Array Cable Entry Gland
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When your solar panel array wires enter your vehicle, you will need to drill two holes. Use this cover to prevent roof leaks from developing.
Click Here |