AC Voltage Calculator

Convert between peak, peak-to-peak, rms, and average AC voltage quantities.

AI Chat Bot

TestGuy GPT. Open AI model trained on electrical testing and engineering topics.

Electrical Symbols

Browse common electrical diagram symbols or search dynamically by name.

Link Directory

Stay connected in the industry with our link directory. Quickly locate the top manufacturers, publications, test equipment providers, and more.

Motor Calculations

Find FLA and torque for electric motors or convert between Horsepower and Watts.

Ohm's Law Calculator

Calculate the relationship between voltage, current, and resistance or the relationship between power, voltage, and current.

Power Factor Calulations

Calculate power factor for single- and three-phase circuits and find correction capacitor.

Power Triangle Calculator

Find PF, VAR, W and VA with any two known quantities or review power triangle formulas.

Tech Talk

Gain access to a wealth of knowledge and expertise from experienced professionals in the electrical testing industry. Engage in discussions, share insights, and learn from real-world experiences.

Test Unit Converter

Convert between common test values such as Mega to Kilo and Base to Micro.