Multi-channel distribution distribution box should be marked

By the relevant departments of audit and technical director for approval and implementation.  distribution room (chamber), transformers and other electrical equipment located fixed barriers or safety mesh fence, height of not less than 2.5m, should set clear prohibition, warning signs, signs of the production and installation should follow the "Railway safe and civilized construction project site sign "- Iron ban 5, Tiejing 1 and 16 requirements.  Stationary conacrete plant with the existing temporary power "construction site temporary electrical safety technical specifications" (JGJ46) requirements. Project dedicated power neutral point directly grounded 220/380V low voltage electrical systems must be used to protect access to zero TN-S system, and to do three power distribution protection and two "one machine, one box a gate-drain."  Power operating personnel must be certified, according to batch mixing plant worn properly, the use of labor protection products. multi-channel distribution distribution box should be marked, distribution box should gates, locks, a water-resistant measures, steel switch box must be grounded. All electrical equipment must be complete, no damage, good performance. You must use the installation.