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What UPS will provide battery backup without surge protection?

APC UPS for Home and Office Forum

Schneider Electric support forum for our APC offers including Home Office UPS, Surge Protectors, UTS, software and services and associated products designed to share knowledge, installation, and configuration.

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davedosch_apc
Cadet
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What UPS will provide battery backup without surge protection?

This was originally posted on APC forums on 1/7/2014


What UPS will provide battery backup without surge protection? My TV, DVR, Bluray and network switch are plugged into an old ungrounded outlet and I would like to provide battery backup. I understand that I can not provide surge protection without a ground, but all I want is to provide battery backup for when we have a power outage. I bought an APC BE550G but there is no way to disable the "Wiring Fault" alarm and use it as a battery backup only. What UPS will work without ground?


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BillP
Administrator Administrator
Administrator
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89

Re: What UPS will provide battery backup without surge protection?

This reply was originally posted by Angela on APC forums on 1/7/2014


You can still use the UPS and ignore the wiring fault light as long as you know you don't have a ground. I cannot think of a consumer level UPS device we manufacture that does not check for a ground (and any other scenarios like overloaded neutral or reverse polarity that cause a site wiring fault)..

The only issue would arise when something happened and you were trying to make a claim - this would likely void any claim made due to the missing ground but it sounds like you've accepted the fact that your outlet is missing a ground and choose to operate the equipment connected anyway.

Also, beyond shunting a surge to the ground, this UPS has some Metal Oxide Varistors in it that would potentially accept some of the surge voltage as far as I know and also attempt to sacrifice itself before passing the surge through to the equipment.

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BillP
Administrator Administrator
Administrator
0 Likes
0
90

Re: What UPS will provide battery backup without surge protection?

This reply was originally posted by Angela on APC forums on 1/7/2014


You can still use the UPS and ignore the wiring fault light as long as you know you don't have a ground. I cannot think of a consumer level UPS device we manufacture that does not check for a ground (and any other scenarios like overloaded neutral or reverse polarity that cause a site wiring fault)..

The only issue would arise when something happened and you were trying to make a claim - this would likely void any claim made due to the missing ground but it sounds like you've accepted the fact that your outlet is missing a ground and choose to operate the equipment connected anyway.

Also, beyond shunting a surge to the ground, this UPS has some Metal Oxide Varistors in it that would potentially accept some of the surge voltage as far as I know and also attempt to sacrifice itself before passing the surge through to the equipment.