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.

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

Lineman Guide

Additional Information