Safety in electroheating installations. Particular requirements for electrical resistance trace heating systems for industrial and commercial applications— 22 стр.
BS EN 60519-8. Safety in Installations for electroheating and electromagnetic processing. Part 8. Particular requirements for electroslag remelting furnaces— 28 стр.
Electrical resistance trace heating systems for industrial and commercial applications. Application guide for system design, installation and maintenance— 88 стр.