What size ring connectors on F&R Switch?

wards75 · 02-26-2015, 08:00 PM

Quote:

Originally Posted by MDLNB

Question: Does it do any good to upgrade these two cables to 4 or 2 gauge? I have upgraded my battery cables. I'm working replacing my micro switches on the F&R at this time, so.....

So, in other words ....YES. It does help and does matter. Change em all out. 4ga at min....I'm going for 2ga. Rather go 1/0 but its overkill.,.let's do it!!

Sergio · 02-26-2015, 08:13 PM

I think 4ga is plenty for stock to medium upgrades.

The 2ga and larger will not do anything for your cart except for pulling heavy loads from a dead stop, which is the only time You will ever get current high enough to make a difference.

Also, make sure You use a stud when running the larger cables through the OBC (1 cable per each side of the OBC).

If You use 2ga or larger cables with a FNR switch, You may want to consider using a reversing contactor, as the 2ga cable will likely put stress on those tiny #10 screws holding the larger cables to the FNR.

You are more likely to have issues with bad crimp connections and high surface contact resistance than voltage drop difference between 4ga and a larger cable.

wards75 · 02-26-2015, 08:42 PM

Awesome^^ yeah, I will more than likely go with the reversing contactor by the time it's all said and done.

02-26-2015, 08:13 PM	#12
Sergio Gone Wild Join Date: Sep 2012 Location: Charlotte, NC Posts: 9,329	Re: What size ring connectors on F&R Switch? I think 4ga is plenty for stock to medium upgrades. The 2ga and larger will not do anything for your cart except for pulling heavy loads from a dead stop, which is the only time You will ever get current high enough to make a difference. Also, make sure You use a stud when running the larger cables through the OBC (1 cable per each side of the OBC). If You use 2ga or larger cables with a FNR switch, You may want to consider using a reversing contactor, as the 2ga cable will likely put stress on those tiny #10 screws holding the larger cables to the FNR. You are more likely to have issues with bad crimp connections and high surface contact resistance than voltage drop difference between 4ga and a larger cable.

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02-26-2015, 08:42 PM	#13
wards75 Getting Wild Join Date: Oct 2012 Location: Eastern NC Posts: 141	Awesome^^ yeah, I will more than likely go with the reversing contactor by the time it's all said and done.