Faber kabel multi wire planar cable nyif j ecru faber kabel 020289 the faber kabel 020289 is a flat multi wire that is ideal for fixed installation in dry zones on and under plaster the ecru coloured wire has a bare copper conductor with a cross linked rubber blend outer sheath the wire has a voltage rating of 500v and an operating temperature of 5degc to 70degc faber kabel 020289 multi wire planar cable nyif j 3 x 15mm ecru