Cross References:IEC 60617:2001IEC 60747-1:2006IEC 60747-4:2007IEC 60748-2:1997IEC 60748-3:1986IEC 60748-4:1997IEC 61340-5-1:2007IEC/TR 61340-5-2:2007All current amendments available at time of purchase are included with the purchase of this document.