处理电子枪电热装置的安全性，适用于所有电子枪电热应用。也可用于电子枪和采用辉光放电系统的设备的非热应用。也适用于为电子枪供电的高压源。与上一版封面相比的主要变化: -考虑到信息和通信技术委员会出版物的新版本； -增加新条款； -更新了接地系统的要求； -返回导体的布置发生了变化。

Deals with safety of electroheat installations with electron guns and applies to all electroheat applications with electron guns. May also be used for non-thermal applications with electron guns and equipment employing glow discharge systems. Applies also to high-voltage sources feeding electron guns. The main changes with respect to the previous edition cover:
- new editions of IEC publications taken into account;
- addition of new clauses;
- requirements for the earthing system updated;
- arrangement of return conductor changed.