This document specifies the safety requirements for plasma and electron beam heating installations in the stages of design, manufacture, installation, operation and maintenance, inspection and acceptance. This document is applicable to all types of industrial plasma heating installations, electron beam heating installations and their dedicated associated electrical equipment, mechanical equipment and auxiliary systems, including but not limited to: - Plasma arc furnaces, plasma torch heating equipment, plasma surface treatment equipment; - Electron beam melting furnaces, electron beam welding installations, electron beam coating equipment, electron beam heating equipment; - Associated plasma generators, electron guns, vacuum systems, atmosphere systems, cooling systems and control systems.