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-   -   Wiring Exhaust Fans (http://www.diychatroom.com/f18/wiring-exhaust-fans-74944/)

chrisatola 06-29-2010 10:09 AM

Wiring Exhaust Fans
 
I have 2 bathrooms in which I have to replace exhaust fans. The bathrooms are close in the house, and share an attic access (or they are close enough). I'm wondering if I can use one power source and connect each fan (I guess I would be splicing a wire from the power source to each fan) or if this would somehow result in less power to each. Intuition tells me it should be fine--like connecting 2 lights to the same source. Lack of experience tells me I should ask.... thanks for any help.

Chrisatola

teamo 06-29-2010 10:13 AM

A shared circuit would work if these are standard exhaust fans. If they are the fan/heater combo type then you would need a dedicated circuit for each fan.

J. V. 06-29-2010 10:28 AM

Deleted. Wrong information.

Scuba_Dave 06-29-2010 10:41 AM

Quote:

Originally Posted by J. V. (Post 462895)
Bathrooms should have one 20 amp circuit per bathroom. This is an NEC requirement for new construction

Did this change somehow ?

One 20a circuit that feeds erverything in ONE bathroom
OR
One 20a circuits that feeds outlets only in multiple bathrooms

Myself I prefer one 20a to outlets only in each bathroom

What circuit are you tapping into to power these ?
What is already on that circuit ?
Will each have its own vent path ?

J. V. 06-30-2010 11:09 AM

Quote:

Originally Posted by Scuba_Dave (Post 462904)
Did this change somehow ?

One 20a circuit that feeds erverything in ONE bathroom
OR
One 20a circuits that feeds outlets only in multiple bathrooms

Myself I prefer one 20a to outlets only in each bathroom

What circuit are you tapping into to power these ?
What is already on that circuit ?
Will each have its own vent path ?

Dave, Nothing has changed as far as I know. Let me double check and see what the requirement is. Thanks for catching it. :thumbsup:

joed 06-30-2010 11:18 AM

The 20 amp per bathroom only applies to receptacles. Lights and fans can be on any circuit.


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