Electrical Safety Procedures

Electrical Safety Procedures

Apr 25, 2019

Electrical safety procedures

1 scope of application

This code provides for the safe operation of electrical equipment.

This code is applicable to the operation of the company's electrical equipment

The main content

Electrical equipment must be serviced by or under the direction of a full-time electrician.

Any electric utility shall be deemed to be in operation until it has been ascertained that there is no electricity.

The power supply part of the electrical equipment must be set separately, one switch for one use, and one switch for one use is forbidden, and a switch box should be set for locking, fixed in a safe place, and the key should be kept by a special person. The lower end of the switch box shall be no less than 1.3 meters above the ground, and an electric shock safety device shall be installed in the distribution box.

The power supply voltage must be the same as the rated voltage of the electrical equipment (the three-phase voltage fluctuation shall be within plus or minus 5%).

The size of the fuse shall be consistent with the three phases, and the rated current shall not be greater than the rated current of the line. Qualified fuse and fuse pieces shall be selected according to the predetermined current, and copper wire or iron wire shall not be used instead.

In case of power failure at work, the power switch shall be immediately pulled open and the "no closing" warning sign shall be hung. If the machine needs to be repaired or maintained, it shall not only cut off the power supply and pull out the fuse, but also lock the knife box. And put up "mechanical repair warning board". If the switch needs to be closed, the power can only be switched on after proper contact with the maintenance personnel. It is forbidden to overhaul electrical equipment or routes in operation (except high-voltage live work).

After the completion of the work, the power should be cut off in time, lock the knife box, before leaving the scene.