BS 6351-3:1993(1999) Electric surface heating — Part 3 : Code of practice for the installation, testing and maintenance of electric surface heating systems
2013BS EN 62395-2:2013 Electrical resistance trace heating systems for industrial and commercial applications. Application guide for system design, installation and maintenance
2008BS DD CLC/TS 62395-2:2010 Electrical resistance trace heating systems for industrial and commercial applications. Application guide for system design, installation and maintenance
1983BS 6351-3:1983 Electric surface heating - Code of practice for the installation, testing and maintenance of electric surface heating systems