Question:

It is a type of relay:

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H.P. and L.P. cutouts protect compressors by working like automatic switches.
  • H.P. cutout
  • L.P. cutout
  • Motor
  • Hot wire
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The Correct Option is A

Solution and Explanation

Relays are protective devices that open or close circuits automatically when certain conditions occur.
An H.P. cutout (High Pressure cutout) is a relay that disconnects the compressor if the pressure goes above safe limits.
Similarly, an L.P. cutout (Low Pressure cutout) is also a relay for low-pressure protection.
A motor is not a relay; it’s an electric machine that converts electrical energy into mechanical motion.
A hot wire is used in other applications but is not a relay by itself.
Therefore, H.P. cutout is correctly classified as a relay.
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