Installing Backup Lights
I'm installing 18w LED backup lights that run 1.5 amps each for a total of 3amps. 14ga wire a distance of 30 feet. Do I need a relay?
Forum Discussion
Retired EE here. For three amps I wouldn't (and didn't) use a relay for b/u lamps. As Mex indicated, even if there were a decent voltage drop the lights would be just as bright. But with 14awg wires you will not have any significant Vdrop.
Mine have been wired that way for at least 5 years and work great.
Mine have been wired that way for at least 5 years and work great.
