Three Core and Earth is the type of cable that is typically used for two way lighting , or other applications needing a permanent and switched Live as well as a neutral , as needed in some lighting, central heating controllers and timers on extractor fans. Comprising of three sheathed Conductors Brown,Black and Grey, and a bare Earth which is of the CPC type (Circuit Protective Conductor).
The 1.0mm Conductors are Solid with the CPC earth being 1.0mm also, and rated in normal conditions at around 12 Amps. Also available cut per metre lengths, 50m and 100m Coils.
Not suitable for unprotected use outside as the outer sheath are vunerable to attack from UV, however Alkyd paint is enough to protect it from UV.
1.0mm x 4 conductors (Black, Brown, Grey and Bare Earth)
12 Amps When Installed into a conduit or wall (Subject to voltage Drop)
Voltage Rating 300/500 Volts
Temperature rating between -15 oC to +70oC
Overall Standard - BS EN 60228
Conductor Standard - BS EN 60228
Insulation Standard - PVC Type 1 to BS EN 50363-3.2005
Sheath Standard - PVC BS7655-4.2000
Nominal Dimensions - 4.7mm x 11.0mm