What are voltage testers?

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It’s an inexpensive tool that tests for live current. It can save your life. To use a voltage tester, simply plug its leads into a receptacle, or, if the cover plate is off, touch them to the screw terminals of the device. If current is present, the tester will light.

How does a voltage tester work?

A non-contact voltage tester measures the difference in electrostatic charge between the person holding the tester and the tip. If you hold it near... More »

I have low voltage outdoor lighting. Can I add additional lights?

You will have to look at your transformer to determine what its maximum wattage is. Most bulbs are four watts, but they come in different wattages,... More »

How do I test a switch to see if it is working?

Use a continuity tester. First, shut of the electricity going to the switch and remove it. Touch the tester leads to both of the switch's terminals.... More »

How can I stop an air draft around the light switch and receptacles?

A foam seal is available to go behind the switch or receptacle... More »

Should I use the screw terminal or the holds in the back of the electrical outlet to attach the wires?

Technically, you can use either one. But wires “backstabbed” into these holes (as it is called) are more likely to fall out, which could start a... More »

Is it easy to replace a faulty plug?

Yes, start by snipping off the original plug. Slide the cord into the new plug, strip the wires and connect them to the proper terminals. For lamps... More »

I am going on vacation. Are there any easy-to-use products that will turn my lights on and off so it looks as if the house is occupied?

Yes, there are a variety of timers that simply plug... More »

How much energy do compact fluorescent light bulbs save?

Most estimates are 70%, which means that over the life of the bulb you can save as much as... More »

Is there a special receptacle I should install outside?

Yes, we have a special box with a cover designed to protect. In addition, the receptacle should also have ground-fault circuit-interrupt... More »

Will a three-pronged plug adapter protect me against electrical shock when I use it in a two-prong receptacle?

Only if the wall plate screw is... More »