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Transmission Line Installation - DVD

$ 145.00


This 60-minute DVD describes and demonstrates an approach to installing a transmission line. This work is not a routine part of a lineman’s job in many locations, but an understanding of the basic approach is useful to individuals who are responsible for maintaining lines. Covers how to plan and set up an installation job. Explains the purpose of guard structures and how to set them up. Describes how to pull conductors into place with proper sag, and how to clip the conductors permanently to insulators.

Training Sessions
Job Planning – 11 minutes
Explains some of the basic considerations for planning a transmission line installation job. Describes and demonstrates how to determine the length of wire needed for stringing, how to calculate the average span length, and how to calculate a ruling span. Explains what guard structures are and when they are used.

Job Preparation – 11 minutes
Explains the basic preparation necessary for stringing wire. Describes some of the basic equipment that must be assembled in preparation for stringing wire. Explains where the equipment necessary for stringing wire is generally placed on the section of line being strung. Explains why it is important to pull wire under tension.

Pulling Conductor – 11 minutes
Describes and demonstrates how a pilot line, a bull line, and a conductor are pulled into position. Explains the basic concerns associated with the pulling process.

Sagging, Part 1 – 9 minutes
Explains the purpose of sagging wire. Basic considerations that must be taken into account when sagging wire. Shows how to prepare to sag wire. Describes or demonstrates how a dynamometer is used for sagging wire.

Sagging, Part 2 – 12 minutes Describes or demonstrates how a transit or a sagging scope can be used for sagging wire. Describes or demonstrates the stopwatch method of sagging wire.

Clipping In – 6 minutes

Demonstrates and explains the basic process of clipping in. Identifies some additional items that may be installed on transmission lines.

Item Code: TLI-DVD