Max number of outlets on a GFCI


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Old 09-21-03, 09:13 AM
J
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Max number of outlets on a GFCI

Hey all,

What is the maximum number of outlets you can chain onto a GFCI outlet... I have heard the number 4 before, but I cant verify it...


If 4 is the number is it acceptable to do a gfci, then wire 4 outlets, then another gfci on the same circuit. Or do I need to spice the wire before the first GFCI..
Thanks
Tim
 
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Old 09-21-03, 09:31 AM
C
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The number of outlets is determined by code and the amperage of the service to the outlets. So many for a 15 amp line, so many for a 20 amp line, and so forth.

Hope this helps.
 
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Old 09-21-03, 09:46 AM
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how many for a 20 amp then...
 
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Old 09-21-03, 10:09 AM
CSelectric
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Chcek the literature that came with the recept. The maximum number that can be chained will be determined by the UL listing of the GFI itself. SOme manufactirers only allow four, some allow six. Others may have different specs.
 
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Old 09-21-03, 10:37 AM
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And some place no limit at all.
 
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Old 09-21-03, 06:30 PM
CSelectric
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I'll grant you, some manufacturers are pretty bad about including suchh information with the product literature. But they all have a maximum number of downstream devices. Unfortunately, if the manufacturer isn't forthcoming with that info, the only place to find it is the UL White book, which isn't on the shelf of most DIY'ers.
 
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Old 09-21-03, 06:49 PM
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And it's not on my shelf either. Thanks for the correction, CS. I'll have to remember to consult that book.
 
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Old 09-21-03, 08:16 PM
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Many manufacturers do not have limits on quanity of down stream receptacles.
The following Q&A is from the Pass and Seymour web site.

Q: How many receptacles can be wired downstream from a GFCI?
A: There is no set limit. However, thought should be given to the length of the wire run. The farther the distance is from the GFCI to the load the greater the chance is for nuisance tripping to occur.

http://www.passandseymour.com/knowho...ory=GFCI's

BTW, my copy of the 2002 UL White Book does not address this issue.
 
 

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