| Scope: |
This ESSENTIAL describes the conformity assessment requirements for electrical/electronic equipment and Ex-components for use in explosive atmosheres, based on
- ARP108 - Guide to the Regulatory Requirements for Explosion-protected Apparatus
- South African Mine Health and Safety Act
- Electrical Machinery Regulations
|
| Legislation in force: |
10. Miscellaneous and General Provisions
10.1 Hazardous Location - Definitions:
- "certified" means type tested, batch tested or produced under an approved product certification scheme, as described in South African National Standard ARP 0108 "Regulatory requirements for explosion protected apparatus";
- "explosion protected apparatus" means any apparatus used in a hazardous location and selected in accordance with the guidelines as defined in the South African National Standard SANS 10108 (latest version 2017), 'The classification of hazardous locations and the selection of apparatus for use in such locations" and the Aanbevolle/Recommended Praktyk/Practice ARP 0108, "Regulatory requirements for explosion protected apparatus"
- "hazardous location" means any location, where there may be a significant risk of igniting gas, dust, mist or vapour, including the following -
a) for underground coal mines any location where, under normal operating conditions, there is a continuous presence of flammable gas, measured at a concentration of 0,5 % or more by volume in the general body of the air, including:
i) a return airway, and
ii) any location determined by risk assessment but not less than 180m from any working face.
b) for underground mines other than coal mines any location where, under normal operating conditions, there is a continuous presence of flammable gas measured at a concentration of 0,5% or more by volume in the air.
c) for surface mines and surface locations at all mines including offshore installations any location as identified in accordance with South African National Standard SANS 10108: 2004 (Edition 5), "The classification of hazardous locations and the selection of apparatus for use in such locations.
2. Scope of application
(1) These Regulations shall apply to the designers, manufacturers, installers, sellers, users, employers and suppliers who design, manufacture, install, sell, generate or use electrical machinery.
(2) These Regulations shall apply to users who generate, transmit or distribute electricity whether overhead or underground to the point of supply.
9. Electrical machinery in hazardous locations
(1} Every employer or user shall identify all hazardous locations and classify them in accordance with the relevant health and safety standard incorporated into these Regulations under section 44 of the Act.
(2) No person may use electrical machinery in locations where there is danger of fire or explosion owing to the presence, occurrence or development of explosive or flammable articles, or where explosive articles are manufactured, handled or stored, unless such electrical machinery, with regard to its construction relating to the classification of the hazardous locations in which it is to be used, meets the requirements of the safety standard incorporated for this purpose in these Regulations under section 44 of the Act.
(3) Every employer or user referred to in subregulation (1) shall be in possession of a certificate in a form acceptable to the chief inspector, which has been issued by an approved inspection authority and in which it is certified that the electrical machinery referred to in subregulation (2) has been manufactured and tested for the groups of dangerous articles in accordance with the relevant health and safety standard incorporated into these Regulations under section 44 of the Act: Provided that in lieu of such certificate an inspector may approve permanent labelling on such machinery, which label shall contain all the relevant information.
(Act = Occupational Health and Safety Act, Act No.85 of 1993, Section 44 defines the incorporation of health and safety standards in regulations)
|