It's unsafe to use adapters that convert three-prong plugs to two-prong ones, because as normally used, the adapters bypass the safety features of the equipment ground
If you didn't have an equipment ground
wire, attach a sticker to the cover plate saying "No Equipment Ground
The equipment ground is that third wire in the system that runs alongside the hot and neutral wires.
The equipment ground attaches to that third, round prong on a three-prong plug.
But they didn't bother to upgrade the old electrical system to include an equipment ground
But older wiring systems usually do not have an equipment ground
wire (unless they were updated), and have receptacles with only two slots.
The equipment ground
attaches to the exposed metal parts of lamps, power saws, electrical boxes and other devices--all those metal surfaces that can carry electricity--and runs all the way back to the main electrical panel and then into the earth.
It is also requested some aesthetic development equipment ground
and poles tents and some ancillary equipment.
Contract award: purchase of technical means of material for equipment ground
handling of aircraft.
Tendered the construction work areas and equipment ground
floor of the existing main square in Kojetin.
3 equipment ground
handling of aircraft: aerodrome electricity power equipment aircraft luzes v / n in 3 sets.
Checking pharmaceutical equipment grounds
and storage facilities in the presence of alcohol.