Seeing Below the Surface

Understanding how high-tech utility locators work is the first step in protecting the underground assets.
Seeing Below the Surface
The most commonly used locating systems use two basic components: a transmitter and a receiver (a hand-held wand). The transmitter sends current through a line, and the receiver detects the resulting electromagnetic waves, or frequencies, produced by that current.

A utility locating technician is a magician of sorts, slowly waving a wand through the air to determine the precise location and depth of a buried utility line — all while enhancing job site safety and productivity. Pretty neat trick, right?

Of course, these are technicians,...

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