Lineman Guide 與 Lineman's Reference - URD 使用情況與統計

DETAILS 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. Calculators: Load angle factor, gin loading and guy formulas. 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-Delta 180 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 Wye-Wye 180 Degree Displacement 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.