本规程规定了使用带接地编织的平行跟踪自调节型热跟踪电缆的电气热跟踪系统的设备、材料和设计服务的要求。本规程包括对伴热电缆、监视器控制面板、接线盒和温度传感器的要求。本规程不包括以下内容:a.串联电阻、矿物绝缘、电感型和阻抗型伴热系统B。伴热系统组件C的配电盘、断路器和现场接线。 提供的设备和材料的安装。绝缘材料或安装

This Practice provides the requirements for equipment, materials, and design services for electrical heat trace systems that use parallel-trace self-regulating type heat trace cable with ground braid. This Practice includes requirements for heat trace cable, monitor-control panel, junction boxes, and temperature sensors. The following are not included in this Practice:a. Series-resistance, mineral-insulated, inductance type, and impedance type heat tracing systemsb. Panelboards, circuit breakers, and field wiring of heat tracing system componentsc. Installation of the equipment and materials providedd. Insulation materials or installation