Return Policy
Return Request Form
Warranty Claim Form
Warranty Transfer Form
kVA Calculator
Fault Current Calculator
kW to kVA Calculator
Mac brings over a decade of experience to his current role as the CCO of Maddox. His day-to-day work involves finding transformer solutions for customer problems across the country.
Expertise
If your transformer's nearing the end of its life, you have to decide whether to repair it or order a replacement. Learn what factors you should consider.
A transformer load break switch (LBOR switch) turns the transformer's power on or off. Learn about 2 and 4-position switches and their different types.
A bushing allows a conductor to pass through the tank wall of a transformer without making electrical contact. Learn about live front and dead front bushings.
Is buying a remanufactured transformer safe? Should I just buy new? Remanufactured transformers are a great option and can be trusted to operate safely.
Copper or aluminum transformer windings, which is right for your project? Compare efficiency, cost, weight, strength, and lifespan to find out which winding material makes the most sense for your application.
Overview of the common tests performed on transformers, including Winding Resistance, Megger, Transformer Turns Ratio, Load-Loss, Leak Tests, and others.