P1000 Circuit Breaker & Relay- Which Comes First?

[Cely1932]

I've spent too much time thinking about this....
I'm running a 50A circuit to the bed of the 1000-5 from the Optima under the seat. I have a 70A Blue Sea circuit breaker and a Cole relay. My current thinking is Circuit breaker then relay.
Thoughts?

 

[Admin]

 

[Hondasxs]

Assuming you are discussing accessories and not a winch.

Large Circuit breaker then relay.

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[Cely1932]

Assuming you are discussing accessories and not a winch.

Large Circuit breaker then relay.

Sent from my SM-G996U using Tapatalk

No winch. Accessory socket to run water pump & various other things. Thanks for the clarification. One more question while I have you.....Can I run the 2 wires from the work light harness (black & red from back of machine) to the 2 terminals of the coil sides on a Bosch style relay? I'm running some larger backup/worklights on the back that I would prefer to run through a relay.

 

[Hondasxs]

Ya, you could.
But I wouldn't recommend running more than 8 amps worth of lights.

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[bumperm]

Something to keep in mind when installing circuit breakers and fuses. In most applications, they are intended to protect wiring in case of shorts etc. Thus they should be located as close to the power source (battery in this case) as practicable. Size will typically be 35% to 50% more than the expected load, but in no case should be more that the current rating of the wire size it's intended to protect.

If there's a wiring short to ground, the fuse blows before the wire starts a fire. The wire leading from the battery to the fuse or circuit breaker is unprotected, thus should be as short as reasonably possible, well protected by insulation, and not subject to abrasion etc.