Designed and manufactured using state of the art digital techniques which has resulted in superior mechanical attributes and exceptional electrical performance that meets and exceeds the requirements of: IECex-IEC 60079, IEC 60093, IEC60112, IEC 60243, AS/NZS 60079, AS/NZS 1300:2009, ISO 9001, ISO/IEC 80079-34, AS 60529-2004 Standards. The CouplerCo 11kV EX-D Stainless Steel Adaptor is fully EX-D equipment certified – meaning after termination by qualified personnel there is no need to return the adaptor to the authorities for retesting and for issue of a final EX-D equipment certificate… saving you thousands of dollars in down time.