Work, protection, repeated grounding effect is not the same, as electrical personnel to understand clearly

At present, many electrical personnel are discussing the problem of protection grounding and protection zero connection.Safe use of electricity, do well leakage protection will become our daily life must pay attention to the problem.But as a result of many electrical personnel about this knowledge popularization and common sense is not enough, there are still a… Read more Work, protection, repeated grounding effect is not the same, as electrical personnel to understand clearly