The NC150R flush panel backbox/housing(s) shall be Alpha Communications®/Tektone model OH150 or approved equal. It shall be made of heavy gauge galvanized steel. Contractor shall provide the required panel frame(s) for the NC150R master (included with the master).
The OH150 flush backbox/housing is open at the back of housing, to allow for wire entry.
Contractor shall observe all local and national electrical codes, and contractor shall provide a model S1 special screwdriver for future system maintenance.
The Alpha Communications® OH150 flush series backbox/housings are made of heavy gauge galvanized steel. They are designed to be used with the NC150R series master station and its associated (OF150) aluminum annunciator frames.
The OH150 series flush backbox/housing is open at the back of housing, to allow for wire entry.
||4.00"D (102mm) into finished wall
Typical NC150R Master (shown)