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Old 04-21-2008, 08:30 AM   #1
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How many circuits needed?


Hi everyone, I am doing a bathroom remodel in the basement and need to know how many circuits are needed? I know for a fact that a GFCI outlet has to be installed on a seperate circuit, (can this be shared.) I am going to install a wall heater which is 110 volts 500 watts, I am also going to install a bathroom exhaust fan as well. Can 2 circuits handle this? What can be shared, or not be shared? Thanks

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Old 04-21-2008, 11:47 AM   #2
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How many circuits needed?


One 20 amp circuit will do the job. Use the the GFCI receptacle to feed any other recepts you want (you can have as many as you like). You can use the same circuit for the heater, lighting and fan.

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Old 04-21-2008, 12:25 PM   #3
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How many circuits needed?


Thanks JV, so I should tap off the 20 amp GFCI to feed the exhaust/heater/fan/light ? Shouldn't the light be coming from another circuit? I know you mention a 20 amp circuit should do all, just want to make sure. I would think if the GFCI outlet would ever trip, the lights will go out. Thanks so much.

JV, I just realized the heater is 120 volts, 1000 watts.

Last edited by helpless handyman; 04-21-2008 at 01:26 PM.
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Old 04-21-2008, 01:40 PM   #4
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How many circuits needed?


The H/V/L unit should be an a dedicated circuit, and the instructions should indicate this. The receptacle should be on a separate circuit, also dedicated. If there is other lighting in the bathroom, it may be on the same circuit as the receptacle as long as the circuit is dedicated only to that bathroom.

Bottom line: you need two 20A circuits.
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Last edited by HouseHelper; 04-21-2008 at 01:51 PM.
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Old 04-21-2008, 01:50 PM   #5
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How many circuits needed?


I thought I would need 2 circuits .. Thanks House Helper..

Last edited by helpless handyman; 04-21-2008 at 01:53 PM.
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Old 04-21-2008, 01:52 PM   #6
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How many circuits needed?


Definitely two 20a circuits. Keep the receptacle by itself, and the fan, htr, & lite on the other circuit.
Watch out for these people telling you one circuit. They have no idea what they are talking about, and should really refrain from posting such stupid responses.
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Old 04-21-2008, 01:57 PM   #7
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How many circuits needed?


Thanks guys I will definately use one 20 amp circuit for the ceiling heater/exhaust fan, and another 20 amp circuit for the GFCI outlet. I will tap off the GFCI circuit for the bathroom light. Thanks for the quick responds.

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