High Conductivity Bunched Plain Flexible Copper Conductors. Cores Insulated And Bedded With Flexible Pvc. Submersible Pump Cable Are Designed For Use In Wet Ground Or Under Water; With Types Specialized For Pump Environmental Conditions. A Submersible Pump Cable Is A Specialized Product To Be Used For A Submersible Pump In A Deep Well; Or In Similarly Harsh Conditions. Voltage Rating, 10 Degrees Celcius To 70 Degrees Celcuis. Sheath Colours Defferent Between 3 Core And 4 Core Submersible Cable, 3 Core Are Blue And 4 Core Are Green. Core Colours, 3 Core Are Red, Yellow And Blue And 4 Core Are Red, Yellow, Blue And Black.