7167 400 10 marking of secondary cells and batteries with the international recycling symbol iso 7000-1135 IEC Primary Author mixed material Varembe IEC 1995 method for the determination of the proof and comparative tracking indices of solid insulating materials IEC Primary Author mixed material Varembe IEC 2003 Rogers, Jenny Primary Author mixed material London Open University Press 2007 protection of persons and equipment by enclosures - probes for verification IEC Primary Author mixed material Varembe IEC 1997 calculation of the lower and upper limits for the average outer dimensions if cables with circular copper conductors and of rated voltages up to and including 450/750 v IEC Primary Author mixed material Varembe IEC 1992 standard conditions for use prior to and during the testing of solid electrical insulating materials IEC Primary Author mixed material Varembe IEC 1971 standard conditions for use prior to and during the testing of solid electrical insulating materials IEC Primary Author mixed material Varembe IEC 1971 primary batteries: part 5: safety of batteries with aqueous electrolyte IEC Primary Author mixed material Varembe IEC 2007 common test methods for insulating and sheathing materials of electric and optical cables: part 1-3: general application - methods for determining the density - water absorption tests - shrinkage test IEC Primary Author mixed material Varembe IEC 2001 common test methods for insulating and sheathing materials of electric cables: part 1: methods for general application section two- thermal ageing methods IEC Primary Author mixed material Varembe IEC 1985