Project dedicated power neutral point

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 the provisions worn properly, the use of labor protection products. Stabilized Soil Mixing Plant 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
?????With an electric shock protector outlet. Shock protection should be periodically tested to ensure reliable performance. Do not use copper wire, iron wire and other metal instead of fuses. Prohibited in a switch to connect multiple electrical devices. stationary concrete batching plant, mixing station shall be provided within the district to meet the safety requirements for lighting.