Wire and MC4 Connectors

Custom Marine Products offers a variety of electrical components for solar system installations on marine vessels. Their products include #10 and #8 AWG marine-grade PV wires with preinstalled MC4 connectors available in 50-foot and 60-foot coils, designed to minimize voltage drop and ensure optimal performance. They also provide MC4 solar line connectors and T-branch connectors for connecting multiple panels in parallel. These components are built to withstand marine environments with features like halogen-free insulation, UV resistance, and waterproofing. Prices range from $6 for connector pairs to $85 for wire coils.

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50 Foot Coil #10 AWG Marine Grade PV Solar Wire w- MC4 Preinstalled

$70.00

$70.00
Unit price per
60 Foot Coil #10 AWG Marine Grade PV Solar Wire w- MC4 Preinstalled

$85.00

$85.00
Unit price per
MC4 Compatible Line Connectors

$5.00

$5.00
Unit price per
MC4 Compatible 2-1 T-branch Connector Set

$19.00

$19.00
Unit price per
MC4 Compatible 3-1 T-branch Connector Set

$23.00

$23.00
Unit price per
MC4 Compatible 4-1 T-branch Connector Set

$28.00

$28.00
Unit price per
Inline 10A Solar Fuse Holder

$22.99

$22.99
Unit price per

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Custom Made Panels Available on Request

We can build custom sized panels for any project.
Call Us: 248-710-0278
If you'd like a custom solar panel, we can do it at $10/watt, more info here: Custom Solar Panels

Federal Solar Tax Credit

💡 Did you know? You may qualify for a 30% Federal Solar Tax Credit on your marine solar system.
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Products ship day after payment domestically. Free shipping on orders over $250 applies to Lower 48 US states only. International takes longer. We do not add tariff charges. Call for pricing.