RUBBER-INSULATED WIRE AND CABLE FOR THE TRANSMISSION AND DISTRIBUTION OF ELECTRICAL ENERGY (ICEA S-19-81) (R 1986) REVISION 1 - JANUARY 1983, REVISION NO.2 - DECEMBER 1984, REVISION NO.3 - AUGUST 1986, REVISION NO. 4 - JULY, REVISION NO. 5 - MAY 1988, REVISION NO. 6 - MAY 1989