Most new power tools are double-insulated to provide protection against shock even if household wiring is not properly grounded.

Older tools with three-prong plugs provide a safe ground also, but only if the household wiring is grounded to accommodate them.

(A three-prong provides a safe ground but only if the household wiring is sound.)

Unless you know how to repair household wiring and are permitted to do so by local building codes, call a licensed electrician.

But for all his successes with the heart, when it comes to household wiring, Dr. Levine is a lot less handy.

Check the condition of all household wiring as well as lamp and appliance cords.

Baby monitor generally use wireless systems, but can also use wires or may operate over existing household wiring such as X10.

He has done studies on the health risks of electromagnetic fields, which are created by power lines and household electrical wiring and devices.

A three-prong plug provides a safe ground, but only if the household wiring also is properly grounded.

Since this involves working with high-voltage household wiring, a summon a licensed electrician.