Front trim for panelboard

Details Front trim for panelboard Front trim for panelboard

1978-09-26

1980-05-20

Tolin, Gerald P.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

361359, 361363, 220266, 174 66, H02B 104

Patent

active

042042453

ABSTRACT:
The front trim of a panelboard consists of a front plate having an interior opening surrounded by a rearwardly extending lip, and a face plate having a forwardly extending lip disposed in telescoping relationship with respect to the lip of the front plate. Adjusting means are provided to move the face plate forward and rearward while the front plate and the panelboard interior remain stationary. The face plate is provided with twist-outs which are pressed forward so that during removal thereof they cannot be punched to the rear into engagement with live conductors of the panelboard interior.

REFERENCES:
patent: 1782019 (1930-11-01), Wheeler
patent: 2511995 (1950-06-01), Robertson
patent: 3166633 (1965-01-01), Guzan, Jr. et al.
patent: 3202881 (1965-08-01), Carlyle
patent: 3349292 (1967-10-01), Meacham
patent: 3356907 (1967-12-01), Bragulat
patent: 3532938 (1970-10-01), Holman et al.
patent: 3873759 (1975-03-01), Schindler

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