The tester should light for two out of three contacts (one won't because it's a ground). If two of them light, insert the bulb. If the bulb still doesn't work, replace the socket.

Interestingly enough, though some lighting experts recommend you not use a standard bulb in a 3-way socket, they generally agree that taking the opposite approach will, more often than not, work ...

In its simplest form, a dim-bulb tester puts an incandescent lamp in series between a device — like an old radio — and the AC power from a wall socket.

All that being said, you may still see light when you initially put a non-dimmable bulb in a dimmer light. Even if that is the case, it won't take long for the bulb to begin to fail.

Reviews LampChamp light-socket USB charger review: It’s kinda handy This gadget turns most any lamp into a readily accessible USB charger. By Michael Brown Oct 27, 2016 9:12 am PDT ...

The design and fit The iDevices Socket has a pretty basic design, but I think that's a good thing. The device has a regular light bulb screw at the bottom, and a light bulb socket at the top. It ...

WunderCool is an American-owned and operated company providing a ceiling fan that uses the power of a simple light socket, even in recessed ceilings. It comes with a 6-inch socket extender.

The Meross Smart LED Lightbulb is designed like a traditional US lightbulb — so it can go into any E26 light socket. That's the screw type commonly known as an "Edison" socket, rather than a ...

His brake light needed a new bulb, and he managed to make this 12V LED bulb work in the 6V socket. An LED is a really great choice for this application since the Motobécane Moped uses a magneto ...

Designed to work alongside any standard light socket, the LightCam needs only to be placed in an existing light fixture in order to begin illuminating and monitoring your home or office space. Set ...

LaView’s light-socket-based solution would be clever—if it was a good security camera. Simply replace the bulb in any outdoor wall sconce or lamp pole in the yard with the LaView L2 to get ...