Numbers and Titles



Includespaging, public address, sound masking, access control, and intercommunications systems that service all or part of a facility.
27 51 23.20Commercial Intercommunications and Program Systems
27 51 23.30Residential Intercommunications and Program Systems
27 51 23.50Educational Intercommunications and Program Systems
27 51 23.63Detention Intercommunications and Program Systems
27 51 23.70Healthcare Intercommunications and Program Systems