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Relay Necessary for 30" LED Light Bar?

Discussion in 'Lighting' started by SixthSnail, Nov 28, 2015.

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Nov 28, 2015 at 11:33 AM

#1

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SixthSnail [OP] I have no idea what I'm doing

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Hey does a standard LED lightbar draw enough amps to call for a relay? It seems like they are so low draw that it wouldn't be necessary.

I'm am terrible with Electrical knowledge so that may explain my confusion.

SixthSnail, Nov 28, 2015

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Nov 28, 2015 at 2:42 PM

#2

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SixthSnail [OP] I have no idea what I'm doing

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dcsbtaco said: ↑

It depends on the switch you use.

Mine is 180 watt. So doing the math, draws 15 amps.
Switch is rated like 3 to 5 amps.
Needs a relay.
I could have bought a more robust switch buss I have a fuse box with relays.
And I want all my switches to match.
Click to expand...

Thanks! Ended up throwing a relay in anyway. All wired up now!

SixthSnail, Nov 28, 2015

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Nov 28, 2015 at 3:02 PM

#3

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SixthSnail [OP] I have no idea what I'm doing

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dcsbtaco said: ↑

Pictures
Click to expand...

I'll upload ASAP. Really bright here so it won't look like much til night

SixthSnail, Nov 28, 2015

#3

Nov 28, 2015 at 5:12 PM

#4

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SixthSnail [OP] I have no idea what I'm doing

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Wired up!

SixthSnail, Nov 28, 2015

#4

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