System for electrical interconnection and switching of multiple

Details System for electrical interconnection and switching of multiple System for electrical interconnection and switching of multiple

1978-01-06

1979-01-09

Smith, Alfred E.

Electric lamp and discharge devices: systems

Plural load device systems

Plural discharge device loads

339 28, 339 29R, H05B 3700, H05B 3900, H05B 4100

Patent

active

041340450

ABSTRACT:
Prewired lighting fixtures and prewired tap boxes each having an input and output receptacle are electrically interconnected by flexible connecting cables having a plug-in connector at each end. The tap boxes have additional output receptacles for connection of branch circuits and some have output receptacles for connection of plug-in switch drop cables. Three wires, one of which is common, extend throughout the system and provide alternate two-wire circuits to facilitate selective switching, reduction in voltage drop, and economy of material.

REFERENCES:
patent: 4001571 (1977-01-01), Martin

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