Solar Wiring

This resource is part of the Solar-Clips series which explores various tips and tools for working with solar photovoltaics. An overview is given on wire sizing and proper integration of over current protection devices, as well as tip for working with these components, including an introduction to various hand tools. By reviewing this resource, you will be able to size and design the wiring and fuse components of your solar electric system.

How to size wires and fuses for a solar electric system

Length: 13:01
Date: December 8, 2021
Dr. Drew Schiavone

How to wire a solar junction box and assemble PV cables

Length: 10:19
Date: January 6, 2022
Dr. Drew Schiavone

How to wire a solar combiner box or pass through box

Length: 13:56
Date: February 7, 2022
Dr. Drew Schiavone

Wiring a simple solar photovoltaic (PV) system with a combiner box, charge controller, and breaker box

Preview our "Working on Solar Wiring and Fusing" publication to learn more about solar wiring.

This fact sheet (EB-2023-0676) will help you to safely size the wires and overcurrent protection devices for your solar electric system – while being mindful of the trade-off between system voltage, wire length, line losses, and system cost.