In this example calculation of angled pole structure, the objective is to apply NESC 2017 rules to generate the loading

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## Transmission Line Failure Due To Increase In Conductor Tension

This article is a primer to Example 2: Pole Loading Analysis of the Angled Structure based on NESC 2017. Also,

Continue reading## How to Use Sag Template for Tower Spotting – Part 3

Tower or Structure spotting is a term used for the process of determining the optimum location, height, and type of

Continue reading## How to make Sag Template for Tower Spotting – Part 2 (Examples)

In this post, we will make an example calculation for generating a sag template. We will follow the steps defined

Continue reading## How To Make SAG Template for Tower Spotting – Part 1

Route Plan and Profile It is assumed by now that you already have a “route profile” or simply “profile” that

Continue reading## Sag-Tension Spreadsheet Free Calculator (Even and Uneven Supports Elevation)

In addition to the free “even elevation sag-tension spreadsheet”, here is another excel spreadsheet wherein uneven elevation of supports is

Continue reading## 3 Types of Conductor Models used in Sag and Tension Calculations

I have presented so far sag and tension calculation based on the linear cable model which does not account for

Continue reading## Sag-Tension Spreadsheet Free Calculator (Even Elevation)

As promised, you can download for free my sag-tension spreadsheet calculator. Take note that because of the complexity of the

Continue reading## Step-by-Step Sag and Tension Computation using Ruling Span Theory

In the previous post “What is Ruling Span?”, we understood that the sag characteristics of the ruling span sets the

Continue reading## What is Ruling Span?

If all spans in a section of line are of the same length then the tension on individual span will

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