Can you combine ground and neutral wires together?

No, the neutral and ground should never be wired together. This is wrong, and potentially dangerous. When you plug in something in the outlet, the neutral will be live, as it closes the circuit. If the ground is wired to the neutral, the ground of the applicance will also be live.

Can I connect smart switch neutral to ground?





While connecting the neutral of a smart switch to ground might work, never do this! The reason it will work is that ground is often connected to neutral in the electrical panel, meaning it will be at a very similar voltage allowing current to flow from hot to ground.

Do I need to connect a neutral wire to a dimmer?

There are dimmable smart switches on the market that can be installed without a neutral wire. The key is the dimming feature, which turns the flow of power between the light and the switch down to a slight trickle.

Why are neutral wires tied together?

The neutrals were all tied together to make one group so it doesnt matter which one makes it to the switch.

What happens if neutral and ground are connected?

The ground is supposed to protect you by providing a path for the current to follow to the earth. But if the neutral and the ground are connected, the ground will become a live wire because the neutral carries electricity.

Should neutral and ground be bonded?





A high-resistance reading (typically greater than 200 ohms) indicates that there are no metallic paths between the panel and the transformer, and therefore a neutral-to-ground bond in a grounded system is required.

Why do smart switches require neutral wire?

Why Do Smart Switches Need Neutral Wires? Smart switches need to stay powered up all the time, which is why the neutral wire is critical. The neutral wire allows the completion of the circuit and the switch to have power even when it’s turned to the off position when you want the lights off.

What’s the difference between neutral wire and ground?

The neutral wire serves as a return path for electrical current while the ground wire provides a path for electrical current to earth. Since electricity flows from source to destination and back, each wire serves a specific need to ensure the loop is maintained.

Is the neutral wire the same as ground?

Ground and Neutral are two important conductors apart from the hot (or phase or live) wire in a typical mains AC Supply. Neutral wire acts as a return path for the main AC while Ground acts as a low impedance path to “ground” fault current.

Can you cap a neutral wire?



Yes. If you’re getting rid of the receptacle, you should cap off the grounded (neutral) conductor in the switch box. Just make sure there’s no exposed wire sticking out of the connector, and you use a twist-on wire connector rated for a single wire.

Can you piggyback a neutral wire?

No, you can’t steal a neutral wire from another circuit. Each neutral wire is the return for the corresponding hot. If you “steal” a neutral from another circuit you run the risk of overloading that neutral wire (overheat, fire risk).

Can two electrical circuits share a neutral?

What is a multiwire branch circuit? A multiwire branch circuit is a branch circuit with a shared neutral. This means there are two or more ungrounded (hot) phase or system conductors with a voltage between them and a shared neutral.

Can two separate circuits share a ground wire?



So if your area has adopted NEC 2014, you can connect a grounding conductor to the grounding conductor from another branch circuit, as long as both circuits originate from the same panel.

How many circuits can share a ground?

The code requires each branch circuit to have an equipment ground (either a wire, or conduit, or cable tray as in 250.120A), they can be shared when they are in the same raceway. If all the 20A circuits are in one raceway then you just need one ground.

Can 3 circuits share a neutral?

If it is a 3 phase circuit you can have 3 hots per neutral as long as you are using the A, B & C phases for each neutral. A neutral is a current carrying conductor and must be the same size as the hot.

Can a junction box have two circuits?

Yes, there is nothing wrong or unsafe in wiring more than one circuit in a single junction box. It can be done without any hassle if you know about the basics of it. You must keep connections coming from different circuits separate from each other.

Can you run multiple circuits in one conduit?



Feed separate circuits through the same conduit. You can do this, just make sure your conduit is large enough to hold the wires easily. The major downside here is that, while it only requires another conduit run, it also requires you to home run three circuits to your house.

Can lights share a neutral?

1 Answer. Show activity on this post. If not, no. If one circuit breaker turns off all three lights, then they are on the same circuit and you should be good to go.

What is a dedicated neutral wire?

A dedicated line is a power line, which runs from the circuit breaker panel to the critical load and has no other loads connected to it.