Providing all elements of the installation is earthed in accordance with the wiring regs any spare cores should terminated into either spare terminals or connector blocks - just leave enough length in case they are needed in future.
I accept that you’re in maintenance but are you qualified to be working on control panels?
Providing all elements of the installation is earthed in accordance with the wiring regs any spare cores should terminated into either spare terminals or connector blocks - just leave enough length in case they are needed in future.
I accept that you’re in maintenance but are you qualified to be working on control panels?