Would this be the correct way to add a timer switch to an existing fan with thermostat?

Question

We have an existing 120V AC exhaust fan wired to simple inline attic fan style thermostat. We would like to add a timer switch so the fan could be manually turned on as needed.

Would this be the correct way to add a timer switch?

This is the sort of timer switch we are looking to add: 12 hour timer

Is this for a fan _in_ the attic, or is it for a repurposed attic-type fan? — mjohns, Jul 23 '15 at 23:06
It's a 300 CFM bathroom fan in the ceiling of a storage room that is vented out a side wall. — Marc M., Jul 23 '15 at 23:39

score 4 · Accepted Answer · answered Jul 23 '15 at 22:33

4

Yes, that is precisely correct. Though I prefer red tape, but that's a preference, not a requirement to go buy a roll. Nicer (IMHO) because you can easily mark switched hots whether they be black or white.

answered Jul 23 '15 at 22:33

Ecnerwal

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I like the idea of using red tape, definitely makes it more visible. Thanks. – Marc M. Jul 23 '15 at 23:44

Would this be the correct way to add a timer switch to an existing fan with thermostat?

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