Gapped ground safety device

Electricity: electrical systems and devices – Safety and protection of systems and devices – High voltage dissipation

Reexamination Certificate

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Details

C361S120000

Reexamination Certificate

active

10660503

ABSTRACT:
A gapped ground safety device is provided to protect workers on de-energized underground distribution cable from ground faults or accidental energization. The device comprises a combination precision gap and an MOV surge arrester.

REFERENCES:
patent: 2473850 (1949-06-01), Beck et al.
patent: 4625254 (1986-11-01), Fahlen
patent: 4912592 (1990-03-01), Flindall et al.
patent: 5289335 (1994-02-01), Kato
patent: 5500782 (1996-03-01), Oertel et al.
patent: 5621602 (1997-04-01), Winkelmann
patent: 6788519 (2004-09-01), Zahlmann et al.

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