Electrical power detection and indication device

Details Electrical power detection and indication device Electrical power detection and indication device

1990-04-16

1991-03-26

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Gaseous discharge

324133, 324538, 324725, 324556, 439490, G01R 3102, H01R 424

Patent

active

050032496

ABSTRACT:
An electrical power detection and indication device for quick and simple external attachment onto an insulated electric power cord, is linked to the conductors of the power cord by sharp probes which penetrate the insulation on the power cord conductors. The device can be configured to give a variety of audible or visible signals that indicate the presence or absence of electrical power and can also be used to detect and indicate polarity or grounding integrity. Modular construction allows flexibility with regard to power cord size, cord conductor number, and cord conductor arrangement, as well as with the type of indication desired.

REFERENCES:
patent: 3538436 (1970-11-01), Weeks et al.
patent: 3768005 (1973-10-01), Louks
patent: 4614394 (1986-09-01), Chelin
patent: 4738633 (1988-04-01), Fremgen et al.
patent: 4813883 (1989-03-01), Staley
patent: 4829255 (1989-05-01), Van Der Stuyf

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