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List of Three Violations in the Construction Industry: Electrical Use in Construction

2021-12-06View Original

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1. No construction organization plan for temporary power use. 2. The construction organization plan for temporary power use is not specific enough. 3. The requirement of three-level power distribution and two-level protection is not met. 4. The power supply for mechanical equipment and lighting at the main power source is not separated. 5. There is no main leakage protection device. 6. Cables and wires are laid haphazardly. 7. Cables and wires are not secured using insulating materials. 8. The safe distance from external power lines is not maintained, and no protective measures have been taken as required. 9. Temporary power is supplied by a dedicated power transformer, and the TN-S protective grounding system is not used. 10. The working neutral wire and the protective neutral wire are not separated at the main power source. 11. A safe voltage level is not selected as required. 12. Leakage protectors are not installed in each single-phase circuit for lighting. 13. Indoor and outdoor lighting wires are made of stranded wires or plastic wires. 14. Electrical equipment does not have dedicated switch boxes, nor are there dedicated leakage protectors. 15. The selection and installation of low-voltage electrical appliances inside the boxes are improper. 16. One circuit breaker in the distribution box is connected to two or more electrical devices. 17. Fuses and circuit breakers are installed and selected improperly. 18. There is no grounding bar installed inside the electrical box

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