How to install a door jamb light switch, with pictures.

A light switch mounted in a door that can be activated when the door is opened and closed.Car doors and refrigerator doors are some of the places where the switches are located.For convenience or safety reasons, these switches are used in environments where people want lights to turn on instantly.Replacement jamb switches are made by a number of manufacturers and are usually sold with other door accessories and components.

A light is turned on when the door is opened, and then turned off when it's closed.A small mechanical component moves when the door opens and closes.Jamb switches are usually very small as they need to fit in a small space.There is a manual switch option for settings where more operational control is required.

The dome light is activated when the door is opened to help drivers as they enter and exit their cars.The light stays on for a period of time after the door is closed to provide safety lighting for the driver.Refrigerators, including both floor models and walk-ins, use switches so people can see the interior when they open the door.A light can be activated by a switch in a closet or other small room when the door is opened for convenience.

A convenient safety feature is a door operated light switch.It is possible to turn on a discreet warning light when a door is opened to let people know when and where doors are being opened.While a bell can be used for warning, there may be reasons people want a silent warning when the door is open.

If people get the right part, it's relatively easy to replace a malfunctioning switch.The old switch can be removed and replaced if part of the door is taken apart.It's a good idea to cut the power to the circuit.It will be necessary to run wiring to the door if people want to install a new jamb switch.