Troubleshooting Overhead Lines
Introduction to Troubleshooting Describe the purpose of troubleshooting. Describe logical steps for troubleshooting an overhead distribution system. Patrolling Describe the purpose of patrolling overhead distribution lines. Identify common problems to look for when patrolling overhead distribution lines. Troubleshooting Safety Describe the following safety precautions to observe when troubleshooting overhead distribution lines: reporting the location obtaining clearance or work instructions confirming information and instructions and knowing the consequences of actions. Sectionalizing Primary Part 1 Explain when it may be appropriate to close in a line that has tripped open. Describe three ways that a line can be sectionalized. Sectionalizing Primary Part 2 Describe the principles for locating trouble on a primary line by sectionalizing and energizing portions of the line. Testing Secondary Part 1 Describe how to locate trouble by testing for voltage at a customers meter. Testing Secondary Part 2 Describe how to locate trouble by testing for power output from a distribution transformer. Describe how to locate trouble by testing for power to a distribution transformer.
