Electrical tap switch

Details Electrical tap switch Electrical tap switch

1988-03-16

1989-10-17

Wong, Peter S.

Electric power conversion systems

Current conversion

Encased in plug housing

340656, 340664, 439490, H02M 100

Patent

active

048751529

ABSTRACT:
An electrical tap switch is provided that allows a user to control two power outlets. In one embodiment the tap switch is used in-line between one extension cord and two additional ones. In another embodiment the tap switch is plugged directly into a wall receptacle and is permanently secured using a screw mechanism. An indicator is used to display the on-off status of the tap switch. A bar graph current indicator is provided that displays the total current drawn by all loads.

REFERENCES:
patent: 1935771 (1933-11-01), Feurstein et al.
patent: 2696607 (1954-12-01), Witkin
patent: 3530337 (1970-09-01), Moore
patent: 3924914 (1975-12-01), Banner
patent: 4404461 (1983-09-01), Sitek et al.
patent: 4659161 (1987-04-01), Holcomb

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