According to the energy isolation list, select appropriate locks for the isolation facilities that have been isolated, fill in warning labels, and lock and hang labels on all isolation points.
Locking of a single space point
The guardian of the territorial unit and each worker of the work unit lock the isolation point with a personal lock.
Locking of multiple isolation points
Lock and label all isolation points with collective lock. The electric isolation shall be provided by the territorial unit with the required number of collective locks in the same group.
Put the key of the collective lock into the lock box, the key number should correspond to the security lock on site;
The guardian of the territorial unit and each worker of the work unit lock the lock box with personal lock;
The person in charge of the site of the operation unit shall ensure that each operator shall lock the collective lock box.
The approval person of the territorial unit shall check and confirm the lock point on site before issuing the relevant operation license.