scope:

This document provides recommended practices for the design, installation, testing, operation, and maintenance of the following types of electrical heating systems on pipes and vessels for use in general industry: impedance heating systems, induction heating systems, induction susceptor heating furnaces within a vessel, and skin-effect heating systems.

Limits

These recommended practices, when used with other recognized codes and standards, are intended to cover each heating system in its entirety, including system design, specification, installation, operation, testing, and maintenance of the following:

a) Heating systems

b) Thermal insulation systems

c) Pipeline or vessel electrical isolation systems

d) Electric power supply systems

e) Electric grounding systems

f) Control and monitoring systems