Electrical articles

Free Electrical knowledge from the Manuall Trade Library: diagnostic trees, SOPs, estimating and pricing guidance, and the business side of running a shop. No account needed; read it, share it, put it to work.

583 articles

Reference Equipment

Wiring Color Codes Reference

Electrical · HVAC · Garage Door · Appliance Repair

Reference Equipment

Wire Termination Types Reference

Electrical · HVAC · Garage Door · Appliance Repair

Reference Equipment

Wire Pulling Techniques Reference

Electrical · HVAC

Reference Equipment

Wi-Fi for Smart Home Install Reference

Electrical · HVAC · Locksmith · Garage Door

Reference BusinessOperations

Warranty + Guarantee Management Reference

HVAC · Plumbing · Electrical · Roofing · Garage Door · Appliance Repair

Reference Process

Voltage Drop Calculations Reference

Electrical · HVAC

Reference Safety

Vehicle Accident on the Job Protocol Reference

HVAC · Plumbing · Electrical · Roofing · Garage Door · Appliance Repair · Cleaning · Lawn Care · Pool Service · Pest Control · Carpet Cleaning

Reference BusinessOperations

Choosing Your Path Into the Trades: Apprenticeship, Trade School or On the Job

HVAC · Plumbing · Electrical · Roofing · Garage Door · Appliance Repair

Reference Process

Trade Math and Imperial Fractions Reference

HVAC · Plumbing · Electrical · Roofing · Garage Door

Reference BusinessOperations

Trade License Exam Preparation Reference

HVAC · Plumbing · Electrical · Roofing · Garage Door

Reference Process

Torque Specifications for Connections Reference

HVAC · Electrical · Garage Door

Reference Equipment

Three-Phase Power Basics Reference

Electrical · HVAC

Reference Equipment

Thermostat Types + Wiring Reference

HVAC · Electrical

Reference Process

Testing Before Leaving the Jobsite Reference

HVAC · Plumbing · Electrical · Roofing · Garage Door · Appliance Repair · Cleaning · Lawn Care · Pool Service · Pest Control · Carpet Cleaning

Reference BusinessOperations

Technician Time Tracking Discipline Reference

HVAC · Plumbing · Electrical · Roofing · Garage Door · Appliance Repair · Cleaning · Lawn Care · Pool Service · Pest Control · Carpet Cleaning

Reference BusinessOperations

Technician Onboarding Process Reference

HVAC · Plumbing · Electrical · Roofing · Garage Door · Appliance Repair · Cleaning · Lawn Care · Pool Service · Pest Control · Carpet Cleaning

Reference Equipment

Tape Measure Reading + Fractions Reference

HVAC · Plumbing · Electrical · Roofing · Painting · Garage Door

Reference Equipment

Switches + Receptacles Types Reference

Electrical · Appliance Repair

Reference Process

Sub-Panel Installation Considerations Reference

Electrical

Reference Equipment

Spotting DIY Work Issues Reference

HVAC · Plumbing · Electrical · Roofing

Reference Equipment

Soldering + Brazing Reference

Plumbing · HVAC · Electrical

Reference Process

Soil + Lawn Rehabilitation After Work Reference

Lawn Care · Plumbing · Septic Services · Electrical

Reference Safety

Smoke Detector Placement + Types Reference

Electrical · HVAC

Reference Safety

Smoke and CO Detector Install Reference

Electrical

Reference Equipment

Smart Thermostat Installation Reference

HVAC · Electrical

Reference Equipment

Smart Home Protocols - Z-Wave, Zigbee, Matter Reference

Electrical

Reference Equipment

Smart Home + IoT Troubleshooting Reference

Electrical · HVAC · Garage Door

Reference BusinessOperations

Service Call Scope Creep Management Reference

HVAC · Plumbing · Electrical · Roofing · Garage Door · Appliance Repair · Cleaning · Lawn Care · Pool Service · Pest Control · Carpet Cleaning

Reference BusinessOperations

Service Call Pricing Models Reference

HVAC · Plumbing · Electrical · Garage Door · Appliance Repair · Carpet Cleaning · Pest Control · Locksmith

Reference Equipment

Security + Alarm Systems Reference

Electrical · Locksmith