B.C. Open Collection - Basic Motor Control
B.C. Open Collection - Trigonometry and Single Phase AC Generation for Electricians
Direct Energy Conversion
LibreTexts Commons - Electricity
Open Textbook Library - AC Electrical Circuit Analysis: a Practical Approach
Open Textbook Library - DC Circuits, 1st Edition
San Bernardino Valley College - Electricity and Electronics
SkillsCommons - Electrician