What are the standard requirements for external electrical protection
1) The safety distance between the external power line and the construction in progress, scaffolding, lifting machinery, and motor vehicle lanes in the yard shall meet the requirements of the regulations;
2) When the safety distance does not meet the requirements of the specification, insulation isolation protection measures must be taken, and obvious warning signs should be hung
3) The safety distance between the protection facilities and the external power lines should meet the requirements of the specifications, and should be firm and stable;
4) Construction, construction of temporary facilities, or stacking of materials and articles shall not be carried out directly under the overhead line of external power.