| 1. | C dep - 539 non - electrical protection for transformers 3dep 539变压器非电量保护 |
| 2. | Telecommunications - electrical protection of broadband facilities 电信.宽带设施的电气保护 |
| 3. | Telecommunications - electrical protection of telecommunications outside plant 电信.电信室外设备的电防护 |
| 4. | Telecommunications - electrical protection of communications towers and associated structures 电信.通信塔和相关结构物的电防护 |
| 5. | Telecommunications - electrical protection for network operator - type equipment positions 电信.网络操作器类型设备配置的电气保护 |
| 6. | Telecommunications - electrical protection for telecommunications central offices and similar type facilities 电信.电信中心办公室和类似设施的电防护 |
| 7. | Electrical protection applied to telecommunications network plant at entrances to customer structures or buildings 消费者建筑或建筑物出口处电信网络设备的电气保护 |
| 8. | Carry out the electrical protection for the generator set , such as overload , shortcircuit , under - voltage , ground fault and etc 实现机组过载短路欠压接地故障等电气保护 |
| 9. | Recommended practice for the electrical protection of optical fiber communication facilities serving , or connected to , electrical supply locations 光纤通信设施被覆物或连接到供电场所的电气保护的推荐规程 |
| 10. | Recommended practice for the electrical protection of optical fiber communication facilities serving , or connected to , electrical supply locations 光纤通信设施被覆物或连接到供电场所的电气防护的推荐实施规程 |