Apparatus for testing multiphase outlet with visual indication o

Details Apparatus for testing multiphase outlet with visual indication o Apparatus for testing multiphase outlet with visual indication o

1988-08-24

1989-12-05

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Nonquantitative

324 86, 324508, 324556, 340654, 361 76, G01R 1914

Patent

active

048855324

ABSTRACT:
The present invention discloses electrical testing apparatus to test an AC multiphase supply outlet. The apparatus is located within a flame proof enclosure and provides a visual indication of phase energization, direction of phase rotation, and supply voltage.

REFERENCES:
patent: 3156868 (1964-11-01), Murrills
patent: 3922600 (1975-11-01), Roveti
patent: 4034284 (1977-07-01), Peplow et al.
patent: 4333050 (1982-06-01), Yeasting

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