Massachusetts Hoisting License Practice Test 2026 – Complete Exam Prep Resource

Question: 1 / 400

What color is used by Digsafe to indicate sewer and drain lines?

Red

Yellow

Green

The color used by Digsafe to indicate sewer and drain lines is green. This color is part of the standardized color code system for underground utility marking. Each color represents a different type of utility, and understanding this system is crucial for safety and proper excavation practices. By using green to signify sewer and drain lines, Digsafe helps to ensure that excavators and contractors are aware of these specific lines, which is vital for avoiding accidental damage during digging operations. This helps to prevent potential environmental hazards and service interruptions.

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