Pride of place in this endeavour was given to systematic and properly grounded empirical investigation.

It is clear every component and sample must be properly grounded and shielded from outside noise.

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

Don't assume that an outlet with three holes is properly grounded.

That, however, is only effective when the outlet itself is properly grounded.

Reportedly, Harvey's hands were wet when he took hold of a microphone that was not properly grounded.

I can't get my roots properly grounded in all this cheesecake.

Power tools should be properly grounded and in good working order.

All of the circuits in your office should be properly grounded.

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