Came across this recently 70w CDM-T fittings wired in multicore SWA 5 core 2.5mm TP&N Dis board time clock controlling contactors core 1=L1 ,2=L2 ,3=L3 ,4=N ,5= CPC. Armoured went into unit unknown location then re appeared in a 230v rated fitting where joints were made the three phases...