# How does a 3 way lamp switch work?

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## Why does my 3 way lamp only work one way?

2 Answers. The most likely explanation is that one of the two filaments inside 3 way bulb burnt out or broke.

## Can a 3 way bulb be used in any lamp?

Can you put a 3 way bulb in any lamp? Yes, you can put a 3 way bulb in any lamp. Just know that only the higher wattage element will illuminate and the switch will function as a simple on and off switch. … For instance, if you’re using a 30/70/100W 3 way bulb, only the 70W element will illuminate when in a regular lamp.

## What is 3 way control of lamp?

A 3-way switch is one that allows you to control a ceiling light (or other electrical fixture) from two separate locations. Common scenarios would be 3-way switches located at both the top and bottom of a stairway, or having 3-way switches next to doors in a room with two entry points.

## Why does my 3-way bulb not work?

With a 3-way bulb, if it isn’t working at all, it’s probably dead. … If both elements don’t come on there, replace the bulb. If you have a 3-way bulb that works as it should in a good 3-way socket, and only one of the two elements works in a different socket, the problem is with the socket.

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## Why do my 3 way bulbs burn out?

Habitually loose connections, either at the socket or with the wire connections, can burn out the bulb quickly, as well as cause flickering. These loose connections increase the electrical resistance and the heat passing through the filament of the bulb, which can shorten its life.

## Is it safe to use a regular bulb in a 3-way socket?

You can safely operate a 60, 75, or 100-watt regular bulb in a 3-way lamp, assuming it fits on the socket. It will not harm the lamp. Just keep in mind that you will be effectively turning your 3-way lamp into just a regular lamp. The 3-way function will only work with a 3-way bulb.

## Is a 3-way bulb the same as dimmable?

No. 3-way bulbs have three separate contacts to allow a three-way switch to power different incandescent filaments, to switch powers between three levels. Dimmable means that you can use a dimmer switch (replacement for a regular wall switch) to adjust the light intensity gradually across a wide range.