Cross References:IEC 60050IEC 60085:2007EN 60085:2008IEC 60255-1EN 60255-1IEC 61850-7-4EN 61850-7-4IEC 60034-11IEC 60947-4-1IEC 60947-4-2IEC 61850-9-2ANSI/IEEE Std. 37.96ANSI/IEEE Std. 620All current amendments available at time of purchase are included with the purchase of this document.