Although the specialists responsible for their assembly are able to work in such a way that their safety is not jeopardized, work in abandoned rooms will be much faster and more efficient.
Similarly, the case of schools, which are, after all, a place of learning people of all ages, the most difficult is to affect children in such a way that they do not interfere with employees of electric companies, therefore they are admitted to school only during the absence of children.They must also remember that the assembly of electrical connectors in hospitals is governed by their own laws and is carried out before the hospitals are put into use.
On various internet forums you can also find a lot of practical advice on the principles of assembly and use of electrical connectors.
Thanks to this, you can be sure that their use will be completely safe, and at the same time will allow you to fully use the functions fulfilled by electrical devices.
All electrical connectors are made by whole teams of people employed in specific companies, who have the appropriate equipment and tools to allow them to perform their work faultlessly.