Electrical distribution system

Details Electrical distribution system Electrical distribution system

1981-10-26

1984-10-30

McQuade, John

Geometrical instruments

339 21R, 339 43, H01R 900, H01R 1344

Patent

active

044796870

ABSTRACT:
The invention provides an electrical distribution system comprising a length of conduit 10 containing a plurality of continuous conductors. Electrical access to the conductors is achieved via a contact plug and a series of spaced entry apertures which are shaped to receive the plug in a particular orientation. Safety door means are provided within the conduit for each aperture and are designed to prevent contact with the conductors by means other than the correct contact plug. In one embodiment of the invention, the conduit is in two parts comprising a support section for securing to a supporting surface, and a wall section containing the entry apertures. The wall section can be connected to the support section at any desired location along its length.

REFERENCES:
patent: 1579865 (1926-04-01), Hubbell
patent: 1817034 (1931-08-01), Hotchkin
patent: 2384487 (1945-09-01), O'Brien
patent: 2743423 (1956-04-01), Parks
patent: 3831130 (1974-08-01), Valtonen
patent: 3959790 (1976-05-01), Schuyler
patent: 4043626 (1977-08-01), Propst et al.
patent: 4135775 (1979-01-01), Driscoll
patent: 4243284 (1981-01-01), Humphreys

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