Transfer Switch

Regarding knife switches:

1) install with qualified personnel only
2) must be large enough for the entire house's service
3) use only name-brand components

They are large panels and look very commercial.

The idea of buying some piece of junk off ebay would make me nervous. Also, when you sell the house it may have to be removed. My last two houses had 325 Amp 3-position knife switches installed at a cost of about $1000.00.

The ones I get installed are perfectly legit and pass local code requirements. The point is that they do not require an inspection of your generator to be approved.
 
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