What is the advantage of armored cable?

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ALP CBT 2 Electrician Previous Paper: Held on 22 Jan 2019 Shift 2
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  1. It has higher insulation resistance
  2. It can sustain high voltage
  3. It can smoothly travel through gland
  4. It can sustain higher impact

Answer (Detailed Solution Below)

Option 4 : It can sustain higher impact
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  • In armored cable, Steel Wire Armour (SWA) used for higher mechanical protection. So that the cable can withstand higher stresses or impact.
  • It can be buried directly and used in external or underground projects.
  • The armored cable can withstand extreme temperature conditions up to 15000°C.
  • Using armored cables helps in insulating the transmission components from emitting the interference and also from being affected by interferences that are being emitted from neighboring cables and also appliances.
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