Clifford A. Popejoy

C•L Series dimmers from Lutron

Expert advice on when and where to install smoke alarms and what types of smoke alarms work best for different rooms of the house

Two testers and some basic know-how are all you need to be certain you are working safely

All 12v lighting systems are safe, but quality components and careful installation make the difference over the long haul

Adding circuits for a new bedroom and bath offers lessons in rough electrical work and integrating new and old wiring

With common-sense wiring and the right hardware, you can replace an existing light fixture with a breeze in almost any room in the house

A trusted electrician teaches you how to verify the power is off by using a voltage tester

Just because you threw the switch, it doesn’t mean it’s off!

Inspect the electrical panel and exposed wiring to identify safety risks and upgrade options

Specialty testers and code issues

Don’t cut the hole unless you know there’s enough room for the fixture

Long drill bits can eliminate plaster tearout when rewiring old construction

Replacing an old surface-mount fixture with recessed lights is an easy upgrade that you can customize with different trim kits

Did you ever need power in the backyard? Here's how to get it.

What to do when the drill and bit are longer than the space between the studs

If the kitchen's a long way from the service entrance, a subpanel can add convenience and save energy

Once you know the steps, mounting and wiring a meter base and breaker panel are easier than you might think

Although a 200-amp service is adequate for most residences, calculating the actual load is a good idea. This chart from Code Check Electrical can help you with your calculations.

With limited space to swing a hammer, there are still ways to install the box securely

Knowledge of the code and a few tricks ease wiring circuits for standard receptacles and lights

The National Electrical Code limits the number of wires in a box. Here's how to figure the size box you need.