ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals
ECN Shout Chat
Top Posters(30 Days)
Potseal 11
Recent Posts
Electrode boilers question
by annemarie1. 04/27/17 01:40 PM
Why cables look like they do
by LongRunner. 04/26/17 09:36 AM
Dimmable LED 2x4 lay in fixtures
by HotLine1. 04/24/17 05:43 PM
Old decora style outlets
by Lostazhell. 04/22/17 07:59 PM
Permit Snafus...AHJs and Contractors Jump in
by gfretwell. 04/22/17 01:11 PM
New in the Gallery:
SE cable question
Popular Topics(Views)
234,886 Are you busy
169,683 Re: Forum
162,921 Need opinion
Who's Online Now
0 registered members (), 77 guests, and 11 spiders.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate This Thread
#2446 - 07/10/01 07:17 PM GFI Connections  
chrispatti  Offline
Junior Member
Joined: Jul 2001
Posts: 6
Deltona,Fla. United States
Can someone please tell me the correct way to hook 2 GFI's and 1 regular 20amp duplex receptacle using one circuit in a commercial building. The regular duplex receptacle cannot be on the load side of the GFI's. The 2 GFI's are for the men and ladies restroom and the regular duplex receptacle is for an office. I always thought you needed a seperate neutral for each GFI you put in line on one circuit.


Work Gear for Electricians and the Trades

#2447 - 07/10/01 07:23 PM Re: GFI Connections  
Anonymous
Unregistered

>Can someone please tell me the correct way to hook 2 GFIs and 1 regular 20amp duplex receptacle using one circuit in a commercial building. The regular duplex receptacle cannot be on the load side of the GFIs.
So just pigtail them off your branch (parallel).

>I always thought you needed a separate neutral for each GFI you put in line on one circuit.
No such requirement technically or in Code.


#2448 - 07/10/01 07:29 PM Re: GFI Connections  
chrispatti  Offline
Junior Member
Joined: Jul 2001
Posts: 6
Deltona,Fla. United States
So you are saying to just go to the line side of the GFI's when making my connections,then I do not need another neutral? Will the GFI's ever trip if they sense an imbalanced load in whatever is plugged into the regular receptacle?


#2449 - 07/10/01 07:45 PM Re: GFI Connections  
Redsy  Offline
Member
Joined: Mar 2001
Posts: 2,056
Bucks County PA
Is this a multi-wire(2 or 3 hots and one neutral)circuit?


#2450 - 07/10/01 07:55 PM Re: GFI Connections  
chrispatti  Offline
Junior Member
Joined: Jul 2001
Posts: 6
Deltona,Fla. United States
This is a single circuit application, 1 hot 1 neutral and a ground for 2 20amp GFI's and 1 20amp duplex receptacle.


#2451 - 07/10/01 09:45 PM Re: GFI Connections  
Anonymous
Unregistered

>So you are saying to just go to the line side of the GFIs when making my connections, then I do not need another neutral?
Correct.

>Will the GFIs ever trip if they sense an imbalanced load in whatever is plugged into the regular receptacle?[/B]
Not really. GFCIs are pretty clueless about the line side.
That's why they don't work if wired in backward (line and load interchanged).


#2452 - 07/10/01 09:53 PM Re: GFI Connections  
chrispatti  Offline
Junior Member
Joined: Jul 2001
Posts: 6
Deltona,Fla. United States
Thank You for your help. So the only time you would need a seperate neutral for each GFI is if they are all feeding from seperate circuits?


#2453 - 07/10/01 10:53 PM Re: GFI Connections  
Anonymous
Unregistered

>the only time you would need a separate neutral for each GFI is if they are all feeding from separate circuits?
That is correct. But that is because separate circuits need their own (line-side) neutrals by Code. This is not a technical requirement for a GFCI to operate.

However, the load side current must not be diverted anywhere. In other words, if you cross your load-side neutral with any other neutral, the GFCI will trip. And if any load on the GFCI is not hooked to the load-side neutral of that same GFCI, then when that load is activated, the GFCI will trip.



[This message has been edited by Dspark (edited 07-10-2001).]


#2454 - 07/11/01 08:56 AM Re: GFI Connections  
WARREN1  Offline
Member
Joined: May 2001
Posts: 176
Greenville, SC, USA
There was a time when GFCI's first came into the market, and were required by the NEC, that separate neutrals were required to prevent nuisance tripping.



Member Spotlight
Posts: 362
Joined: April 2003
Show All Member Profiles 
Featured:

2017 NEC and Related
2017 NEC
Now Available!

Shout Box
Powered by UBB.threads™ PHP Forum Software 7.6.0
Page Time: 0.014s Queries: 14 (0.004s) Memory: 0.7950 MB (Peak: 0.9608 MB) Zlib enabled. Server Time: 2017-04-28 20:00:24 UTC