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Is there a protective cover (similar to the protective cover at the bottom of the leakage protection switch) on the incoming line of the air conditioner and the crimping screw to prevent accidental electric shock? If there is such a guard, is the switch equipped with it when it leaves the factory?
I don’t think it’s necessary, because these switches are rarely used directly outside.
Probably not. I have never seen one with protection. I usually stick it with insulating tape. It is indeed quite dangerous.
I haven’t seen it, but there is a kind of cable trough, which is only used for jumpers, and there is no outlet. Your consideration will be a business opportunity for merchants!
This kind of switch is not used in the lighting switch box for surface installation. The switch rod leaks out of the switchboard. It also has a protective cover, but most of them are not used.
There is a long strip of tape used for bridging, which is used for internal bridging. Others are directly exposed and can be glued on the outside of the terminals with tape.
Look at this old circuit breaker. There is a protective cover on the terminal post.
The older model is a circuit breaker, used for distribution lines, with a protective cover on the incoming and outgoing wire ends. The DZ47 is a miniature circuit breaker and is mainly used for indoor power distribution facilities such as lighting. Generally used in buildings, multiple micro-breaks are grouped into a group, and a distribution box is provided outside. Usually, only the switch handle is exposed, which is relatively safer, and there is no need to install a protective cover at the terminal.
Ah ha, this sea friend! Generally speaking, this type of miniature circuit breaker is not installed separately, but is basically installed in a box or cabinet. Generally, there is no need to consider the protective cover! However, if it is installed alone in an unprotected enclosure, it is recommended to take certain safety protection measures to prevent accidental contact. ; Or purchase components and put forward separate technical requirements. Many suppliers can meet this requirement.