The intercom system shall be Alpha Communications® / Elvox 142 series, or approved equal. At the master location contractor shall furnish and install one (1) model 142/XXX (xxx=number of lamps in multiples of 10 up to 60 stations or multiples of 20 for larger masters) switchboard station. Master station shall have built-in system amplifier, lamp annunciators, call-down signal, momentary call-up push-button, and privacy handset. All selector switches shall be supplied with (AN-001) custom annunciator markings, protected by plastic lens caps. At each remote location contractor shall furnish and install one model HT3009/2W White handset (or model HT2009/2WH or model 8870).
Wiring to remote handsets shall be #22AWG (up to 2,000 feet) with 1-common and 1-selective wire per remote handset location. Contractor shall furnish and install one (1) model 936 power supply. Contractor shall observe all local and national electrical and building codes and shall wire system as per manufacturer.
Up to 120 (or more) remote handsets can be used, and all handsets can call to the switchboard (or be called from the switchboard), with full communication privacy. All handset models are White plastic and easily mount right on the wall or over a single gang flush electrical back box. All handset models can also be mounted over our optional model AP001 or AP777 adapter plates, when installing the handsets over an existing oversized flush intercom back box.
Master Station: Model 142/XXX. Use 1 per system. Dimensions depend upon the size master being used. Contact us for complete dimensional information. Material: Black color ABS plastic. Can be Flush, Surface or Desk Mounted.
Power Supply: Model 936. One (1) required per system. Requires 117VAC primary power. Surface Mounting.
Wiring Required: Use 1-conductor #22AWG (common) and 1-conductor #22AWG (selective) for each remote handset location