Which wire gauge should be used with Access Control hardware?
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It is recommended to use the following wire gauge for each Access Control device:
Door controllers (for power)
It is recommended to use a 22/2 wire gauge with an Access Control door controller.
Note: Cat5/Cat6 is not recommended, as it is not intended to be used for this application.
Card readers
It is recommended to use 22/6 stranded shielded wire with Access Control Card Readers.
Note: Cat5/Cat6 is not recommended as it is not intended to be used for this application.
Expansion modules (for RS-485 communication)
It is recommended to use a 24/3 wire gauge (a twisted pair with a drain) with Access Control expansion modules. The maximum cable length varies between controller models:
- ADC-ACC1-17 and ADC-AC-LP1501: The maximum length between the controller and the last expansion is 2,000 feet (610 meters).
- ADC-AC-LP1502 and ADC-AC-X1100: The maximum length between the controller and the last expansion is 4,000 feet (1219 meters).
Note: Cat5/Cat6 is not recommended as it is not intended to be used for this application.
Expansion modules (for power)
It is recommended to use a 22/2 wire gauge with Access Control expansion modules.
Note: Cat5/Cat6 is not recommended as it is not intended to be used for this application.
REX devices
It is recommended to use a 22/4 wire gauge with an Access Control Request to Exit device.
Note: Cat5/Cat6 is not recommended as it is not intended to be used for this application.
