Electrak 25 Fused Tap-Off Unit is determined by the cable and not the conduit length, example a 3m tap-off has 3m of cable and 2.6m of flexible metal conduit. Made of flame retardant polycarbonate outlets and electro-galvanised steel conduit. Compliance to ASTA standard 138, BS EN 60439-2:2000, BS EN 61534-22:2009, IEC 61534-22:2009, ISO 9001:2008, ISO 14001:2004 and BS 7671:2008 + A1:2011 standards.