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My home AC has a short-circuit. I would like to know if I could replace the 3 AMP fuse with a 5 AMP fuse? Any harm/overheating?

Thanks!

2007-08-14 17:16:15 · 14 answers · asked by bt 1 in Home & Garden Maintenance & Repairs

Just to clarify, this is for a home gas furnace

2007-08-14 17:37:46 · update #1

14 answers

no do not put a higher rated fuse in than what was there originally...reasons are to protect the wiring from overheating and melting possible fire hazard...where is this 3 amp fuse ...is it in the electronic control board in the inside unit...if yes ...then you need to call an hvac tech to come and find out why it blew...

2007-08-14 17:29:34 · answer #1 · answered by Anonymous · 1 0

5 Amp Fuses

2016-10-14 10:35:55 · answer #2 · answered by ? 4 · 0 0

No it is not okay to use a 5 instead of a 3 amp fuse. First you must locate and remove the short. If a 5 amp fuse works it could cause overheating of the appliance and/or wiring and/or plugs-socket. The 3 amp fuse is 3 amp for a reason, the fault must be found, either in the wiring or an appliance plugged into the wiring. If you have too many appliances plugged into the 3amp circuit then unplug them and locate another separately fused circuit for some of them to run on.

2007-08-14 17:31:57 · answer #3 · answered by Tom g 1 · 1 0

No, not ever, never. As stated by others, the fire risk is the main reason. Find out WHAT is causing the short (are you sure it's a short?) and remedy the problem...and why isn't it on a dedicated A/C-only 20-amp circuit? I hope you're not using an extension cord on this thing...and have you had the refrigeration-charge checked...it might be real low, overstressing the compressor, which heats up and blows the fuse. Sounds like it's "call a LICENSED electrician time," sport.

2007-08-14 17:32:33 · answer #4 · answered by Dept. of Redundancy Department 7 · 1 0

It will work, but it's not OK. The wiring for that particular circuit is all set up for a 3 amp load. If there's any reason at all that you draw more than 3 amps you risk frying that circuit, or starting a fire.
If the 3 amp fuse is blowing regularly, then there's a problem, or there's been something added to the circuit that draws too much current.

2007-08-14 17:23:08 · answer #5 · answered by Kurtis G 4 · 1 1

I have a plug with a 3 amp fuse in it, is this ok use in my plug socket, most of my plugs have 13 amp fuses, this is old electrical item and want to test it to see if still works
Thanks Diane

2016-03-10 05:41:21 · answer #6 · answered by Diane 1 · 0 0

Sir:
Do not do this. To be honest, it may not make a difference, maybe, are you willing to take the chance? Is it worth having a fire and maybe killing your family and burning down your house while you sleep? The chances are not that great, but still is it worth it? It has happened before.

Find out why the fuse is blowing and get it fixed. Any electrician will tell you the same thing. If he doesn't then I do not want him working in my house.

2007-08-14 17:58:41 · answer #7 · answered by Fordman 7 · 0 0

In most cases (sometimes fuses change size based on rating) but you are surrendering the protection that the fuse gives you and your device being powered by the fuse. Electronics are especially vulnerable to damage from the high loads. Not a good practice.

2016-03-12 23:16:23 · answer #8 · answered by Anonymous · 0 0

No. Always use the same type and rating as the original. The design engineers chose it for a reason.

2007-08-15 13:52:03 · answer #9 · answered by John himself 6 · 0 0

No it is hazardous in case of short circuit, also if power surge increase it will damage ur equipment

2007-08-14 18:41:56 · answer #10 · answered by Aftab Banoori 2 · 0 0

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