IEEE/IEC Draft International Standard for Explosive Atmospheres - Part 30-2: Electrical resistance trace heating - Application guide for design, installation and maintenance

It provides recommendations for the design, installation, maintenance and repair of trace heating equipment and associated control and monitoring equipment. It does not cover devices that operate by induction heating, skin effect heating or direct pipeline heating, nor those intended for stress relieving.This part supplements the requirements specified in IEC 60079-30-1.