Transfer switches

Manual transfer on the furnace circuit

I had one installed on my oil-fired furnace circuit about four years ago.

The EZ Generator Switch UNIVERSAL, part 1001u, is a single-circuit switch. Amazon lists the generator position at 15 A and 125 V, the normal position at 20 A, 12-gauge wire, and 24-inch leads. The maker lists UL 1008 and CSA C22.2 No. 178.1:2022 ED.4, and says it is wired for 20 A in the normal position. Checked November 2, 2026.