Linked Questions

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 ...
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 ...
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 ...
0 votes
0 answers
95 views

How should I connect a GFCI outlet and light switch?

I am connecting a GFCI outlet and a light circuit to a 4 wire (Black, Red, Neutral, Ground) two gang box. The switch is on the right and the duplex GFCI is on the left (near kitchen sink). How do I ...
-1 votes
1 answer
2k views

1 outlet / 2 switches: want to replace old outlet with GFCI

(Similar to How do I install a GFCI receptacle with two hot wires and common neutral? but hopefully different enough to warrant my question.) In our bathroom we have 1 outlet and two switches in the ...
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 ...
2 votes
1 answer
4k views

Can I install two GFCI receptacles on a multiwire branch circuit?

I am wondering if I'm using a 10/3 teck cable to power two 20 amp GFCI receptacles for a temporary power situation, can I use two separate single pole 20 amp breakers at the panel for each receptacle. ...
1 vote
2 answers
522 views

Clarification on sharing a neutral for 2 circuits

This is a followup question to this answer I plan to do something quite similar to the diagram Tester101 posted. I will pull 3-wire (10/3+g) into a junction box and then pull 2 separate 2 wires (12/2+...
0 votes
2 answers
1k views

Replacing 2 split receptacles with 2 GFCIs

I have a similar situation to How do I install a GFCI receptacle with two hot wires and common neutral? in my kitchen. The solution looks good and I'm ready to go ahead, but with one reservation... ...
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 ...
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 (...
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 ...
0 votes
1 answer
1k views

How can I add a GFCI receptacle on a circuit with split receptacles?

I have a typically wired living room with all receptacles switchable on the top outlet. We are installing a large fish tank and decided to add GFCI protection. I'm trying to change a single duplex to ...
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, ...
1 vote
0 answers
4k views

Adding GFCI to box with 2 hot (black and red) and 1 neutral with one wire

I moved into an older home and i am trying to add a GFCI in a kitchen outlet by the sink. Its a two gang box with a switch and one outlet, it has 3 lines coming into the box, two go to the light ...

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