Linked Questions

5 votes
1 answer
17k views

How can I add a GFCI breaker on two circuits with a shared neutral without rewiring? [duplicate]

Possible Duplicate: How do I install a GFCI receptacle with two hot wires and common neutral? I have a pool to protect correctly. There is a 12/3 wire: red serves the receptacles at the bottom ...
RJH's user avatar
  • 51
2 votes
2 answers
3k views

How do I install GFCI on multi wire branch cicuit? [duplicate]

Possible Duplicate: How do I install a GFCI receptacle with two hot wires and common neutral? I am planning on changing the old large gauge/3 wire that fed my electric dryer into a multi wire ...
Aaron's user avatar
  • 6,451
0 votes
0 answers
313 views

dual GFCI circuits with multiple protected outlets, all sharing a neutral [duplicate]

I'm trying to wire two GFCI circuits sharing a neutral. The line is coming in from a 2-pole circuit breaker. I want to have two circuits at each location, each protected by a GFCI upstream. ...
Nathan DeWitt's user avatar
8 votes
9 answers
229k views

Can two circuits share a neutral?

I'm finally implementing the advice given in this question, I've managed to run the wiring up to the junction box, but I'm a bit confused by the contents of that box. There are three circuits ...
SredniV's user avatar
  • 848
17 votes
3 answers
29k views

What is a multiwire branch circuit?

What is a multiwire branch circuit? (also known as "multiwire circuit", "multiwire branch circuit", "split phase shared neutral", "two circuits fed from one 12-3 or ...
Johnny's user avatar
  • 4,855
2 votes
6 answers
85k views

Can I take a 220 line and convert it to a regular house outlet what would be the damage?

I have a electric 220 dryer hook up in my kitchen now I want to convert it over to use for a higher grade power supply for my microwave blender and toaster without converting Any wires or touching the ...
Willie July's user avatar
5 votes
2 answers
36k views

How do I replace two split receptacles with GFCI receptacles?

I need to replace two receptacles in my kitchen with GFCI outlets. On each receptacle, the top and bottom outlet are on different breakers. I've replaced standard outlets before, but this seems a bit ...
TheRhob's user avatar
  • 53
4 votes
5 answers
5k views

Electrical Circuits in a Workshop

I am doing some renovation in my workshop and am considering doing something kind of unusual. I find that I am always looking for outlets to plug in tools, lights, etc. Rather than using power ...
K-DIY's user avatar
  • 41
1 vote
2 answers
8k views

Electrical outlet right above sink

I recently moved into a unit of a 4 plex in Ontario, Canada. This thing scares me: Is an electrical outlet allowed to be above the sink like that? Was it ever allowed? It it something that ...
Grant's user avatar
  • 5,669
3 votes
1 answer
12k views

Installing GFCI outlets in multiwire branch circuit

Background: There are four power outlets above my kitchen counter: three are located within 1.5 m of the sink, while the last one is further away. None of them are GFCI and some are damaged and in ...
Mr Ethernet's user avatar
1 vote
1 answer
9k views

Need help designing a circuit layout and wiring diagram for a garage

I'm renovating the electric in my detached garage. The previous owner ran 12/2 direct burial and it shorted. So I put a 20 amp breaker in, dug up the direct burial, ran 1 inch pvc at 18 inch depth, ...
Evan's user avatar
  • 131
0 votes
2 answers
5k views

Multiple GFCI with two hot wires and shared neutral

I learned about wiring multiple GFCIs with 12-3 wire from this post: How do I install a GFCI receptacle with two hot wires and common neutral? And a I have a related question as to why this circuit (...
Aaron B.'s user avatar
  • 103
2 votes
3 answers
10k views

What could be causing my new GFCI receptacle to keep tripping?

An electrician installed an outlet on a circuit inside my garage that is connected to an exterior spotlight. The spotlight has a sensor that automatically turns it on at dusk and off at dawn. There is ...
Robert Koch's user avatar
1 vote
1 answer
10k views

How to wire GCFI's with 2 Hots and a single Neutral

I'm getting my house that was built in 1978 ready to sell. I'd tried adding GFCI's in the kitchen. I have an L shaped counter. I have 3 outlets on one wall and 2 outlets on the other. The long wall ...
Bob D's user avatar
  • 11
0 votes
0 answers
9k views

Can a GFCI receptacle share the neutral wire of another circuit?

When I connect my GFCI receptacle on one circuit that shares the neutral wire with another circuit, it immediately faults out. If I remove the second circuit from the neutral there is no problem.
Top Cat's user avatar

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