NC1841-GY
18AWG/4 Conductor Reader Cable, Gray – 1000'
1000' (304.8m) of gray PVC-jacketed cable used for readers that do not require the LED line or use an external power supply at the reader. Can also be used for PIR power and contact. Four conductors of 18 AWG stranded copper wire with overall aluminum/mylar foil shield and a 22 AWG stranded tinned copper drain wire.