Cisco CAB-PWR-15-MF4 2-Wire DC Power Cable for IR1800 As Pictured, 15-ft DC Power Cord for IR1800 NEW.
You must use 12V or 24V to power on this series.
The specifications for the wiring are as follows:
16 AWG (1.02-to-1.29mm)
UL1015 Rated
Wound at 1 twist per inch