Electrician Red Seal · Question
A Red Seal electrician is troubleshooting a circuit in a damp location within a commercial building. The circuit supplies a pump and is wired with a type of cable that has an overall jacket and individually insulated conductors, but no metallic armour. The cable is secured by straps at regular intervals. What type of cable is most likely being used?
TEC90 cable is a thermoplastic-jacketed, extra-duty, non-metallic sheathed cable suitable for wet or damp locations and often used for control or power circuits
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Question: A Red Seal electrician is troubleshooting a circuit in a damp location within a commercial building. The circuit supplies a pump and is wired with a type of cable that has an overall jacket and individually insulated conductors, but no metallic armour. The cable is secured by straps at regular intervals. What type of cable is most likely being used?
Answer options:
- NMD90 (Non-metallic Sheathed Cable)
- AC90 (Armoured Cable) ✅ TEC90 (Thermoelectric Control Cable)
- RW90 (Single Insulated Wire)
Correct answer: TEC90 (Thermoelectric Control Cable)
Explanation: TEC90 cable is a thermoplastic-jacketed, extra-duty, non-metallic sheathed cable suitable for wet or damp locations and often used for control or power circuits. NMD90 is generally for dry locations, AC90 is armoured, and RW90 is a single conductor wire, not a cable assembly.
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