Grounding system

Details Grounding system Grounding system

1986-09-16

1988-05-10

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

307327, H02H 316

Patent

active

047439980

ABSTRACT:
An improved grounding system comprises a tube which is vertically buried under the ground and cut with a plurality of holes at its lower part, and receives a wire inside it. The wire connects at its top with a set of current leakage detector that alarms a small leakage by a light and turns off power automatically in case of a rather big leakage. The lower end of the wire links with a conductive electrode that is also placed in the tube and is immersed in the underground water so as to be able to release electricity to the ground without keeping any store of potential. Therefore, the electrical appliances including lightening rod conductors equipped with this device can be safely used without producing any shock.

REFERENCES:
patent: 3494849 (1970-02-01), Hess
patent: 3725669 (1973-04-01), Tatum
patent: 4398188 (1983-08-01), Feigal et al.
patent: 4567540 (1986-01-01), Ruta

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