Cool Is A Relay Necessary For Led Lights Ideas. If you are using a light pod that does not have a very large amp draw, you may not need a relay switch, but if you are using a larger led light bar, they are a must have. Protecting your switch and wiring from overheating and damage.
Web any lighting system can benefit from increased current capacity in the wiring. What size relay do i need for led light bar? So you're only allowed to connect a light bar without a relay if you're sure the switches, fuses, and wires are sized safely.
