H - Electricity – 02 – G
Patent
H - Electricity
02
G
H02G 3/08 (2006.01)
Patent
CA 2260372
An electrical junction box assembly for mounting a fire alarm signaling unit or the like. The box includes a substantially square rear panel, four generally rectangular sidewall panels extending forwardly therefrom, and an open forward end adapted to receive at least a portion of a signaling unit or the like. Each side of the substantially square rear panel is approximately five inches in length, and the sidewall panels extend forwardly from the rear panel approximately two and seven--eighths inches, whereby the box will fit within the three and one-half inch stud space between a wall and a bar hanger typically provided, and yet accommodate the speaker or chime portion of an alarm signaling unit as well as electrical conductors for powering the unit and other devices down the line. An adaptor is provided as an interface connection between the junction box and a fire alarm signaling unit or the like. The adaptor includes a substantially square peripheral flange, each side of which is approximately five inches in length. The adaptor further includes a substantially square peripheral wall extending forwardly from the peripheral flange; each side being approximately four inches in length. Means are provided on the flange of the adaptor for mounting the adaptor to the open forward end of the junction box and to a fire alarm signaling device or the like. The rear wall of the junction box has two openings therein for receiving a grounding screw. The grounding screw openings are spaced from one another laterally and longitudinally so as to ensure that at least one of said openings will not lie against a bar hanger on which the junction box may be mounted.
Randl Industries Inc.
Smart & Biggar
LandOfFree
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