Grounded isolation system

Details Grounded isolation system Grounded isolation system

2005-08-30

2005-08-30

Jackson, Stephen W. (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

C361S043000

Reexamination Certificate

active

06937450

ABSTRACT:
A system for electrically isolating and indicating electrical isolation of a machine including a plurality of relays which cooperate to, when electrical isolation is selected, ground voltage input lines to the machine thereby ensuring that no power is provided to the machine during operator access thereto.

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