It also designs and develops the parameters of residual current collection, as well as other show and control circuits.

其次进行了剩余电流等数据信息的采集，以及其它显示、控制电路的设计。

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The operating principle and the use of residual current protective device is introduced, and its selection, installation and limitation are commented.

介绍了剩余电流动作保护器的工作原理及其用途，叙述了剩余电流动作保护器的选型、安装及其局限性。

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The standards and application scopes of residual current alarming system were introduced. The causes that electrical current induced fire were put forth.

介绍了剩余电流火灾报警系统的相关规范及适用范围，阐述了剩余电流引起火灾的原因。

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Its research also suggests many UK adults do not have adequate protection from electrical fires - less than half of those surveyed (49%) have a Residual Current Device in their fuse box, a safety device which minimises the risk of fire by cutting off the power in the event of a fault.

BBC: 'Blunder' fires increasing say Electrical Safety Council