Heavy Equipment Operator Certification Exam Prep · Question
What colour is typically used for temporary marking of underground water lines by utility locators in Canada?
In Canada, underground water lines are typically marked with blue. Red indicates electrical power lines, yellow for gas/oil/steam, and orange for communication
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Question: What colour is typically used for temporary marking of underground water lines by utility locators in Canada?
Answer options:
- Red
- Yellow ✅ Blue
- Orange
Correct answer: Blue
Explanation: In Canada, underground water lines are typically marked with blue. Red indicates electrical power lines, yellow for gas/oil/steam, and orange for communication lines.
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