DIN EN 62395-2 VDE 0721-54:2014-12

This standard provides detailed recommendations for the system design, installation, maintenance and repair of electrical resistance trace heating systems in industrial and commercial applications, it does not include or provide for any applications in potentially explosive atmospheres. The regulations pertains to trace heating systems that may comprise either factory fabricated or field-assembled (work-site) units, and which may be series or parallel trace heaters, or surface heaters (heater pads or heater panels) that have been assembled and/or terminated in accordance with the manufacturer´s instructions.