Protect
Against
Exposures
Formaldehyde
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How to protect electrical appliances in a distribution box
The key protective devices —such as fuses, circuit breakers, relays, and surge protectors—that help ensure the safety, reliability, and efficiency of power distribution. Figure 1: Protection. The equipment must have the ability to protect personal safety and prevent electric shock under normal operation and failure. Electric shock protection under normal conditions is called basic protection, which is used to prevent the danger caused by direct contact with live parts. These events, commonly known as power surges, may be caused by lightning activity, switching operations of large electrical loads, or. An electrical cabinet enclosure serves an indefeasible role in an electrical system's safe and effective functioning.