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6 Cards in this Set
- Front
- Back
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What are lightning arrestors? |
Lightning arrestors are devices typically installed near important appliances, like generators, that activate when lighting strikes and directs the lightning to the ground, so it can be dispersed without causing damage. |
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What are surge protectors? |
A surge protector is a device that is made to protect electronic equipment from unwanted power surges or spikes. |
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What is a fuse? |
A fuse is a device that protects equipment from overload and short circuit by cutting off the power to them. |
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What are relays? |
Relays are electrically operated switches that open closes the circuit by receiving electrical signals from outside sources. |
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What is a circuit breaker? |
A circuit breaker is an electrical safety device designed to protect an electrical circuit from damage caused by overcurrent. |
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What is a recloser? |
A power distribution recloser is a class of switchgear designed for use on overhead electricity distribution networks to detect and interrupt transient faults |
