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Not on scaffolding
The mobile distribution box and switch box should be installed on a strong and stable bracket.
Safety Technical Specification for Temporary electricity Use on Construction Site JGJ46-2005
8.1.8 Distribution box and switch box shall be installed correctly and firmly. The vertical distance between the center point of the fixed distribution box and the switch box and the ground should be 1.4~1.6m. The mobile distribution box and switch box should be installed on a strong and stable bracket. The vertical distance between the center point and the ground should be.8 ~ l.6m.
8.1.9 Electrical appliances (including sockets) in the distribution box and switch box should be installed on the metal or non-wood flame retardant insulated electrical appliance mounting board before they can be secured to the distribution box as a whole. Inside the switch box,
The construction power box can not be placed on the scaffold, and the construction power is three-level distribution, one machine and one gate.
The construction electricity must meet the construction electricity design specifications and installation process requirements, the construction electricity distribution box needs to be placed in a separate location, not allowed to misplace the location, need to be placed in a waterproof position, but also need to choose the surrounding environment, not allowed to be placed on the scaffolding, unsafe.
Absolutely not. The electrical box must be directly grounded. Simply put, if the electric box leaks and leaks to the outer frame, it will cause injury to the personnel on the outer frame.