The unit to base electrical plug permits instant valve unit replacement without disconnecting piping or wiring.

该单位的基础电器插头未经允许即时阀断开管道或电线单位更换。

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Electricians in this unit group lay out, assemble, install, test, troubleshoot and repair electrical wiring, fixtures, control devices and related equipment in buildings and other structures.

此单元组的电工铺陈，组装，安装，测试，故障排除和修复建筑物和其他结构内的电线，灯具，控制设备及相关设备。

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Care must be exercised during installation and wiring of this unit to ensure that no connections are made from phases other than the one being used to power the instrument.

在安装和配线的过程中一定要小心，不要将单相电源与设备总电源相联接。

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They can then check the wires (because, as you know, there have been claims that the wiring may have been misconnected) and also the power output of the unit in relation to both the heated water and the steam.

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The shells of the cars are made at Mr Collier's other factory in Beccles and transferred to a unit on an industrial estate at Acton where the engines are fitted along with the wiring and interiors before they are painted.

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