Electrical hazard indicator

Details Electrical hazard indicator Electrical hazard indicator

1976-02-20

1978-10-03

Caldwell, Sr., John W.

Communications: electrical

Condition responsive indicating system

Specific condition

339 14P, 339113R, 324 51, 340635, 340687, G08B 2100

Patent

active

041186907

ABSTRACT:
An indicator device having a single indicator which is momentarily activated during connection of the device, i.e. to a power source, to indicate availability of electrical power and operability of the indicator device and then subsequently deactivated to indicate safe electrical service to an electrical appliance or tool, cord, receptacle, etc.

REFERENCES:
patent: 3176219 (1965-03-01), Behr
patent: 3317825 (1967-05-01), Huff
patent: 3383588 (1968-05-01), Stoll et al.
patent: 3967195 (1976-06-01), Averitt et al.

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