Voltage verification unit

Details Voltage verification unit Voltage verification unit

2008-01-15

2008-01-15

Nguyen, Vincent Q. (Department: 2858)

Electricity: measuring and testing

Testing potential in specific environment

Voltage probe

C324S073100

Reexamination Certificate

active

07319315

ABSTRACT:
A voltage verification unit and method for determining the absence of potentially dangerous potentials within a power supply enclosure without Mode2work is disclosed. With this device and method, a qualified worker, following a relatively simple protocol that involves a function test (hot, cold, hot) of the voltage verification unit before Lock Out/Tag Out and, and once the Lock Out/Tag Out is completed, testing or “trying” by simply reading a display on the voltage verification unit can be accomplished without exposure of the operator to the interior of the voltage supply enclosure. According to a preferred embodiment, the voltage verification unit includes test leads to allow diagnostics with other meters, without the necessity of accessing potentially dangerous bus bars or the like.

REFERENCES:
patent: 5986557 (1999-11-01), Clarke

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