DIY Home Improvement, Remodeling & Repair Forum > DIY Home Improvement > Electrical and Wiring > Is 20 Amp breaker too big for a fluorescent light




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Old 07-07-2009, 05:04 PM  
toadylama
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Default Is 20 Amp breaker too big for a fluorescent light

Background:

Built a basement closet which contains my (2) FPE 200 amp service boxes. I just mounted a T8 Two strip fluorescent light on the ceiling controlled by a single pole switch. All wires are ran...

Question:

I have a leftover 20 Amp breaker available (American Single pole HARC type), is this too big for this single light circuit? I have numerous open slots for new circuits.

If so, I don't want to buy a 15 Amp breaker due to big $$'s, so should I just tap into an existing 15 Amp circuit?

Thanks for your responses,

Todd


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Old 07-07-2009, 08:03 PM  
speedy petey
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Quote:
Originally Posted by toadylama View Post
I have a leftover 20 Amp breaker available (American Single pole HARC type), is this too big for this single light circuit?
No. The breaker protects the circuit wire, not the fixture.

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Originally Posted by toadylama View Post
......, so should I just tap into an existing 15 Amp circuit?
I would. I see NO reason whatsoever for running a new 20A circuit to install one fluorescent light.


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Old 07-08-2009, 12:43 PM  
toadylama
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Thanks for the reply.

My real concern is using a 20 Amp breaker for a light only circuit (which is usually 15 AMP) and posing a greater possible fire hazard.

So, if I opted for the 20 AMP breaker (easier), does anyone foresee any issues?

thanks, todd
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Old 07-08-2009, 06:08 PM  
JoeD
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If the circuit is wired with #12 wire then you can use the 20 amp breaker. If it is wired with #14 then you must use a 15 amp breaker.
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Old 07-08-2009, 08:16 PM  
speedy petey
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Quote:
Originally Posted by toadylama View Post

My real concern is using a 20 Amp breaker for a light only circuit (which is usually 15 AMP) and posing a greater possible fire hazard.
This is not a concern at all. The breaker protects the circuit conductors, not the light fixture.
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Old 07-11-2009, 07:41 PM  
toadylama
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Wired it up last night...works great with 12-2 wire and the 20 amp breaker!

Thanks for the tips.
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Old 07-11-2009, 08:05 PM  
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Glad it works for you. Now you have plenty of room to add several other lights on same circuit in future.


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