Cross References:IEC 60050-731:1991IEC 60793IEC 60794IEC 60874EN 60793EN 60794EN 60874IEC 60617IEC 61300IEC 61315IEC/TR 61930IEC/TR 61931ISO 1101EN 61300EN 61315:2006EN ISO 1101:2005All current amendments available at time of purchase are included with the purchase of this document.