Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific voltage responsive fault sensor
Patent
1977-08-18
1978-11-28
Salce, Patrick R.
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific voltage responsive fault sensor
324 51, 324107, 324158D, 361111, H02H 322
Patent
active
041278887
ABSTRACT:
Disclosed is combination surge voltage protective and test apparatus for an AC supply system, the apparatus including a plurality of surge voltage protectors switchably connected with the supply lines and an interconnected test network operable to test the status of the supply voltages when the switch is closed and to test the status of the surge voltage protectors when the switch is open. The apparatus is disposed with an enclosure having a door which, when closed, closes the switch and prevents application of power to the test network, while otherwise allowing access to operation of the test network.
REFERENCES:
patent: 3546572 (1970-12-01), Specht et al.
patent: 3778713 (1973-12-01), Jamison
patent: 4023101 (1977-05-01), Christoffer
Glaser Kenneth R.
Salce Patrick R.
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