For the foreseeable future, all explosion protected (Ex) equipment used in South Africa, whether manufactured locally or imported, will need IA certificates before it can be put into use legally. These certificates may only be issued by a South African National Accreditation System (SANAS) accredited test laboratory, or by a laboratory granted temporary permission to issue certificates by the regulator – either the Department of Labour or the Department of Mineral Resouces. Both regulators reference SANS 10108, the classification of hazardous locations and the selection of equipment for use in such locations. This document is sold together with SANS ARP 0108, owned by the regulator and containing the regulatory requirements… (more)