Transcription of EARTHING ANDBONDING IN HAZARDOUS LOCATIONS
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EARTHING ANDBONDING IN HAZARDOUS LOCATIONS
HAZADOUS. LOCATIONS . 10. EARTHING . AND BONDING. IN HAZARDOUS . LOCATIONS . By Mark Coles 1. Introduction Electrical connection maintaining various exposed- The IEE's Technical Helpline receives numerous calls conductive-parts and extraneous-conductive-parts at from contractors requesting information on the substantially the same potential'. EARTHING and bonding requirements for HAZARDOUS LOCATIONS . This article will give an overview of the There are two categories of equipotential bonding: hazards and problems encountered in those LOCATIONS and gives information on the performance Main equipotential bonding requirements of EARTHING and bonding to ensure that Regulation 413-02-02 of BS 7671 states: In each the potential for gas ignition, from low voltage installation, main equipotential bonding conductors electrical sources and equipment, is reduced.
conductors in hazardous locations. In this section, we’ll look at the sizing of conductors and desired values of resistance. Sizing of earthing conductors. In accordance with Regulation 543-01-03 of BS 7671, two methods may be used to size earthing conductors or circuit protective conductors …
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