Lineman Guide

A must-have for all lineworkers. Detailed information, charts, pictures and how-to’s for transformers, rigging, knots, rope capacities and many more.

Created by a Journeyman lineman, this app is useful for lineman and apprentices.

HOME SCREEN

Knots & Rope Capacities

Rigging

Transformers

Useful Information

Linemantrainer.com

Danger Men, Half Million Volt Workers video

KNOTS

Blood knot, bowline on a bight, bowline, clove, double sheet bend, Farrimond friction hitch, figure 8, grapevine, lanyard, Lineman’s loop, monkey fist, Prusik, running bowline, sheet bend, snubbing knot, square knot, taut-line hitch.

KNOT TABLES

Knot Break Strength

MBS and SWL of Nylon Rope

RIGGING

Sling Load Calculation; Sling Angles, Sling Tension and Gin Loading definition and formulas; Block Load Angle Factor

UTILITY POLE WEIGHTS

Cedar, fir and pine

WIRE ROPE AND CABLE

Line Angle Change Multiplication Factor

Efficiencies of Tucked or Hand-Spliced Eyes

Rope Reduction Replacement

WLL of Wire Slings

Wire Sling Capacities in Tons

MBS and SWL of Bright wire

Sling Load Angle Factors Chart

5,000lbsNylon Web Sling Ratings

6,000lbs Nylon Web Sling Ratings

8,000lbs Nylon Web Sling Ratings

TRANSFORMERS

Paralleling Coils

Line to Neutral, Line to Line Voltage Chart

Electrical Distribution Systems Chart

Insulation Class and Temperature Rise

Single Phase Transformers FLC

Three Phase Transformers FLC

TRANSFORMER CONNECTIONS

Delta-Delta 0 Degree Displacement

Delta-Delta180 Degree Displacement

Delta-Wye 210 Degree Displacement

Delta-Wye 30 Degree Displacement

Open-Delta, Open-Delta Lighter

Open-Wye, Open-Delta Lighter Option1

Open-Wye, Open-Delta Lighter Option2

Paralleling Transformers

Wye-Delta 210 Degree Displacement

Wye-Delta 30 Degree Displacement

Wye-Wye 0 Degree Displacement

WyeWye180DegreeDisplacement

USEFUL INFORMATION

Voltage regulation standards

Wire Size and Amp Rating

Ampacities of Insulated Conductors

Ampacity Correction for Temperatures

Three Wire Residential Allowable Ampacities

Conductor Formulas

General Formulas

Guy formulas

MINIMUM APPROACH DISTANCES

AC Live-line MAD

Altitude correction factor

ELECTRICAL FORMULAS

Ohm’s Law

AC/DC Formulas

AC Efficiency and Power Factor

Electrical Measurement

Electrical Quantities & Symbols

Voltage Drop Chart

NOTES: This app is for reference purposes only. No responsibility is accepted for incidents arising from the use of this material.