Explains the two methods of energizing the metallic pipe or cable as well as the advantages of each. This collection of videos from the "Locating Instruments" category of the full body of locator training material in Damage Prevention for the Planet includes:
1. How the locating instrument works
2. Different Frequencies Do Different Things
3. Milliamps and Power, Part 1
4. Moving the Transmitter
5. The Advantage of the Inductive Coupler
6. Signals Path at Signal Splits
7. Milliamps and Power, Part 2
8. Path of Least Resistance
9. Isolation and Bonding
10. There Is No Best Frequency