20 Amp Brown, Blue & Earth H07BN4-F Heater Resistant Flexible Wire ideal for Night Storage and Immersion Heaters, Boilers, Pumps and suitable Kitchen and Office Appliances. Good resistance to Grease and Oil. A quality, well constructed product which is easily stripped and worked with. 2.5mm² copper conductor size, External diameter 10mm (Should be used with 10mm Round White Clips) 3 Core cable with Brown, Blue & Green/Yellow (Earth) coloured cores as indicators Plain annealed high quality stranded copper conductor with insulated Rubber protector sheath (oversheath of heat protected rubber) Suitable for extra low (such as CCTV Supply) and low voltages up to a maximum of 500v Suitable for temperatures between -20°C and +60°C BASEC Approved and Certified to BS6500, CENELEC HD21.5, VDE 281 and BS EN 60228:2005 (previously BS6360) Flexible Rubber cable suitable for use in domestic, commercial, indoor and outdoor conditions. It can be used for general electrical and security applications where there are damp environments such as Power Tools, workshops, kitchen appliances and washing machines. Zexum is a UK manufacturer which sources quality cables made to the highest specifications from various sources both in the UK and the Rest of the world. This product will be supplied in a single length up to 100m, unless otherwise requested.