New answers tagged

0

Nesting transfer switches is OK... The good news is that nothing prohibits you from having a "hierarchy" of transfer switches, so the existing "whole house" service entrance rated ATS can stay on the pole since you are indicating that you can manually operate the switch to the generator position. Given that, what I'd do is get a NEMA 3R ...


11

We see a lot of really horrid transfer switches on this forum, believe you me. The Backup Generator Subpanel (Siemens - gray panel) is my "economic" version of a Transfer Switch, with a mechanical interlock between the upper "30A generator" breaker and the lower "30A subpanel feed" breaker. What you did there is absolutely ...


0

What Greg Hill says. Your idea is a "checklist" method, i.e. step 1 switch off main breaker step 2 switch on gen inlet breaker (more steps than that obviously). To work, your idea absolutely depends on humans following the checklist precisely, when they are a) in the dark, b) in cold/rain/wind, c) in stress/panic, d) they tried following the ...


3

The trouble with back-feeding portable generator power through any of those welding or RV plugs while the transfer switch is set to generator position is the same problem with relying on turning off the main breaker before doing the same: it's manual, not interlocked, and sooner or later somebody is going to get it wrong. Instead, daisy-chain another ...


Top 50 recent answers are included