Showing posts with label Electrical. Show all posts
Showing posts with label Electrical. Show all posts
SAFETY AND CONTROL DEVICES Switches, types of switches
SAFETY AND CONTROL DEVICES
A switch is used to start, stop or change the direction of the current in a circuit These are used to control current in electrical circuits
Switches
Most of them are meant to operate at certain times under certain conditions to perform very definite functions
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SAFETY AND CONTROL DEVICES ,Fuses And Circuit Breaker
Safety Devices
To protect electrical system from damage and failure caused by excessive current, several kinds of protective devices are installed in the systems.
Circuit Breaker
It is a device which breaks the circuit and stops the current flow whenever the current exceeds a predetermined value.
