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Electrical
Controls
HVACR
Mechanical
Energy
Merch Shop
Potentiometer Explained
Paul Evans
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Nov 27, 2024
0
Three Phase Transformers:
Paul Evans
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Nov 25, 2024
0
Learn How To Use a Multimeter
Paul Evans
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Nov 20, 2024
3
Three Phase Power
Paul Evans
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Nov 20, 2024
0
How Wind Turbines Really Work: The Hidden Secrets
Paul Evans
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Nov 20, 2024
1
Solar Panels Explained
Paul Evans
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Oct 10, 2023
0
Sub Panels Explained
Paul Evans
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Jul 13, 2023
0
Make Your Own Mechanical Electronic Circuit Boards!
Paul Evans
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Jun 14, 2023
0
LED’s Explained
Paul Evans
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May 17, 2023
0
Resistors Explained
Paul Evans
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Mar 23, 2023
4
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Inside Thermal Expansion Valves
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R1234yf Pressure Enthalpy Chart
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RTU Rooftop Units explained
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What is Torque?
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Oct 14, 2021
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Chiller Condenser
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Latest Content
Why This Circuit Works When It Shouldn’t
Paul Evans
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Jan 12, 2026
0
In this article we explain how a simple Joule Thief circuit boosts low voltage using inductors, transistors, and Faraday’s law. Learn how it works,...
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Clamp Meter
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Ground Faults
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Scroll Compressors
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