Electrician Red Seal · Question
What is the minimum burial depth for a direct-buried high-voltage (15 kV) TECK90 cable under an area with vehicular traffic?
CEC Table 53 specifies burial depths. For cables over 750V, the minimum cover required under areas subject to vehicular traffic is 900 mm. This depth provides a
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Question: What is the minimum burial depth for a direct-buried high-voltage (15 kV) TECK90 cable under an area with vehicular traffic?
Answer options:
- 600 mm
- 750 mm ✅ 900 mm
- 1200 mm
Correct answer: 900 mm
Explanation: CEC Table 53 specifies burial depths. For cables over 750V, the minimum cover required under areas subject to vehicular traffic is 900 mm. This depth provides adequate protection from crushing.
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