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The ALPHA COMMUNICATIONS CDL123B is a combination indicator light and buzzer unit designed for 24-volt AC intercom systems. It integrates a visual alert and an audible signal into a single 2-gang device, reducing the number of components needed at a door or station location. Licensed low-voltage technicians and intercom installers typically deploy this unit as part of a building entry or communication system. It is sold individually and mounts in a standard 2-gang electrical box.
The CDL123B is suited for residential and light commercial intercom installations where both a visual indicator and an audible chime or buzzer alert are required at a single location. It fits into new construction and retrofit applications wherever an ALPHA COMMUNICATIONS intercom system calls for a combined signaling device at a secondary or remote station.
Designed as an OEM-style accessory for 24-volt AC intercom systems requiring a combined light and buzzer signal device at a 2-gang mounting location.
Installation should be performed by a licensed low-voltage or electrical technician in accordance with applicable NEC low-voltage wiring requirements. De-energize the intercom system power supply before wiring or mounting the unit. Verify the supply voltage is 24 volts AC before connection. Secure the unit to a properly installed 2-gang electrical box per local code.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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