3.  Identify the cable to be removed at the Junction Box, disconnect each wire from the terminals. 
4.  Unscrew the top of the gland to release the cable strain release. 
5.  To prevent damage to the cable gland cut the cable near the top of the gland and pull the cable 
through the gland. 
6.  Discard the damaged cable. 
7.  Fit the replacement cable as detailed in 2.6.4 
8.  Connect the cable connector to the Detector 
9.  De-isolate the Detector 
6.4  SPARES KITS 
6.4.1  Commissioning Kit