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cKarlGo's avatar
cKarlGo
Explorer
May 19, 2014

Surge suppressor: before or after the transfer switch

I was just reading through the installation manual for the surge suppressor I'm going to have put on my new gasser and found that it can be wired in before the transfer switch or after so that it prot...
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Pirate1's avatar
Pirate1
Explorer
May 19, 2014
Ok. Definately after the ATS. You need protection from both sources of power.

I had a generator circuit board fail once. It output 160V. Luckily my surge system was after my ATS but I still lost my microwave.

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