What distance should you avoid locating within of the transmitter?

• A. 10 ft
• B. 50 ft
• C. 30 ft
• D. 100 ft

Answer: (C)

When using a transmitter to energize a locate signal, the electromagnetic field is strongest close to the device. To get reliable readings and avoid interference, you should not locate within a certain radius of the transmitter. The distance to avoid is 30 feet. Being within 30 feet can cause the locator to read inaccurately or be distorted by the transmitter’s field. If you stay farther than 30 feet, readings tend to be more dependable. The other options either fall inside that problematic zone (10 ft) or are farther than the necessary avoidance distance (50 ft, 100 ft), but the guideline identifies 30 feet as the boundary to avoid.