This module helps individuals learn about electricity and explains why certain underground locating procedures work in different situations. The material provides the foundation for effective troubleshooting and problem solving on the job. (Note: The number of pages and slides indicated below are approximate.)

The following topics are presented in this module:

• Electrical components of a circuit
• Electrical resistance and conductivity
• Open and closed circuits
• Electron theory
• Principle of electromagnetic location
• Capacitance
• Basic law regarding signal frequency
• Bleed-over
• Passive and active signals
• Direct connection
• Clamping
• Factors affecting transmitted signals
• Receiver antennas

Check out our product samples, which are generic and may not apply specifically to a given product.