Calculate

Calculate Ambient Derating Factors for 600 Volts and Less – Electrician2.com

Branch Circuit Calculations – Electrician2.com

Cable Tray Pulling Tension Calculator – Electrician2.com

Calculate Maximum Pulling Tensions – Superior Essex

Coaxial Cable Attenuation and Power Handling Calculator – Times Microwave Systems

Harmonics Calculator – Microvolt

Meter Spin Test – Calculate instantaneous power from both the utility’s watt hour meter and var-hour meter – Little Red Book

Calculate Motor Horsepower – Little Red Book

Calculate Offset Bends – Porcupine Press

Power Estimating Equations – Teksmart

Quick Estimate Formulas – for Torque, AC Motor and Horsepower - Teksmart

Resistor Color Code Calculator – samengstrom.com

Calculate Segment Bends – Porcupine Press

A Simple Approach to Short Circuit Calculations – Bussmann

Convert

Acceleration Conversion Factors – Process Assoc. of America

Angle Conversion Factors – Process Assoc. of America

Area Conversion Factors – Process Assoc. of America

Corrosion Rate Conversion Factors – Process Assoc. of America

Cubic & Solid Measures Conversion Chart – Little Red Book

Density Conversion Factors – Process Assoc. of America

Energy Equivalent Conversion Factors – Physics Lab of NIST

HVAC Converting KW/TON to COP or EER – Little Red Book

Unit Converter - Digital Dutch

Estimate

Estimate the Right Type R Insulation – Little Red Book

Inverse Square Law for Estimating Lighting Efficiency – Little Red Book

Determine Appropriate Watt Density for Heat Source Limitations – Leeson Electric Motors

Install

Install an Attic Fan – from Popular Mechanics

Install a Backup Generator – from Popular Mechanics

Install a Lamp Post – from Popular Mechanics

Install Outdoor Lighting – from Popular Mechanics

Install a New Phone Line – from Popular Mechanics

Install a Splicing Tray with Preclick - Cablofil

Install a Suspended Ceiling – from Popular Mechanics

Install Track Lighting – from Popular Mechanics

Prevent

Prevent Carbon Monoxide Poisoning from Small Gasoline Powered Engines and Tools - NIOSH

Prevent Deaths and Injuries from Excavation Cave-Ins – NIOSH

Prevent Electrocution on Cranes – NIOSH

Prevent Falls through Skylights and Roof Openings – NIOSH

Prevent Scaffold Falls – NIOSH

Prevent Silica Exposure - NIOSH

Prevent Worker Injuries and Deaths from Traffic-Related Motor Vehicle Crashes - NIOSH

Protect

Protect Yourself from Asbestos Exposure – Center to Protect Worker’s Rights

Protect Yourself from Back Injuries – Center to Protect Worker’s Rights

Protect Yourself from Drywall Sanding Dust Exposure - NIOSH

Protect Yourself from Heat Stress – Center to Protect Worker’s Rights

Protect Yourself from Lead Poisoning on a Jobsite – Center to Protect Worker’s Rights

Protect Yourself from Lyme Disease in Construction – Center to Protect Worker’s Rights

Safe Work with Power Saws – Center to Protect Worker’s Rights

Scaffold Safety – Center to Protect Worker’s Rights

Protect Yourself from Solvent Exposure – Center to Protect Worker’s Rights

Safe Work in Trenches – Center to Protect Worker’s Rights

Protect Yourself from Welding Fumes and Gases – Center to Protect Worker’s Rights

Select

Select Safer Hand Tools – Center to Protect Worker’s Rights

Select a Transformer – Jefferson Electric

Elevator Circuits Must be Selectively Coordinated - Bussmann

Tips and Tricks

Bring Power to an Outbuilding – Popular Mechanics

Use Conduit and Other Metallic Enclosures for Grounding – Electrician2.com

Rules for Sizing Branch-Circuit Conductors and Overcurrent Protection – Electrician.com

Use Vectors to Approximate the Neutral Current in a 3-Phase Power System - Part 1 – Part 2 – Part 3 –  Electrician2.com

Miscellaneous

Recommended Min. Bend Radius – Superior Essex