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【Daily Question】Utilities - Mechanical & Electrical - 20190212

2019-02-12View Original

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In the construction of building electrical installations, the step that follows immediately after the installation and fixation of the complete set of distribution cabinets is (). A. Unpacking inspection B. Busbar installation C. Adjustment testing D. Power-on operation 【Answer】B 【Explanation】The installation sequence for a complete set of distribution cabinets is: unpacking inspection, primary and secondary transportation, installation and fixation, busbar installation, connection of primary and secondary wires, testing and adjustment, and power-on operation for acceptance.

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