Series Circuit Troubleshooting Rules

Intro – Series Circuit Rules When troubleshooting series circuits, you can rely on certain rules based on Ohm’s law. Rule #4 is most important when troubleshooting series circuits with only one load. This is because a break in the circuit represents “infinite” resistance. That break will thus have the full supply voltage across it. Illustration […]

Systematic Point-to-Point™ Voltage Drop Troubleshooting Cheat Sheet

Brute Force Electrical Diagnostics A systematic approach to finding failed components is a more definitive way to troubleshoot electrical problems with appliances. I recommend using the LoZ function of your multimeter if you have it. Below are point-to-point voltage drop testing methodologies for both 240v and 120v appliances. 240v Point-to-Point™ Voltage Testing 120v Point-2-Point™ Voltage […]