Does a light need a neutral?

A neutral wire is the most common requirement of an automated light switch. There are a few switches that don't need a neutral, but those will limit you to incandescent only. Is that correct? The diagram shows the neutral run to the light.

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RELATED QUESTIONS

Do all smart light switches require a neutral wire?
Almost every smart switch requires a neutral wire to be attached. When using a smart switch without a neutral wire, things like your wireless network details and login are stored in the hub and not the switch.
Does 240 volt need a neutral?
The green wire is the ground which is used for electrical safety. It is possible that a neutral white wire does not need to be used for 240 volt wiring. The hot wire is usually red or blue. Two hot wires are needed to complete the circuit.
Does a lamp need a polarized plug?
The metal parts of a light, lamp cords, and two-wire extension cords are always separated. Is this true? A lamp, extension cord, or any other cord that's polarized to begin with, should always have a polarized plug. Don't use a nonpolarized replacement plug with blades that are the same size.
Does a hot water heater need a neutral?
The conventional hot water heater does not need a neutral at the moment. The neutral wires are included with the 4wire cord for 220 and 240 volt appliances that have electronic controls.
Do LED lights need a neutral?
A neutral wire is the most common requirement of an automated light switch. Only switches that don't require a neutral will limit you to incandescent. A neutral is required for those of us using energy efficient bulbs under 20w.
Does an LED light need an earth?
If a fitting has a metal housing and mains in it, the metal needs to be earth. If the driver is double insulated, the fitting wouldn't need an earth wire.

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Does a light need a neutral?

Let's Get It Fixed!

Shop Recommended ProductsShop HomeX Recommended Products

RELATED QUESTIONS

Do all smart light switches require a neutral wire?

Does 240 volt need a neutral?

Does a lamp need a polarized plug?

Does a hot water heater need a neutral?

Do LED lights need a neutral?

Does an LED light need an earth?