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Articles

A Maddox transformer undergoing startup procedures

December 12, 2025

Are transformer startup procedures the same in colder climates? Do I need to warm up my transformer? Learn how to startup your transformer in colder climates.

Wide shot of padmount transformer at solar farm project

December 5, 2025

Thomas’s solar company had a reputation for doing quality work on time. They needed a transformer partner who would do the same.

lumber mill yard with padmount transformers

December 3, 2025

Greg manages a mill in Arkansas that converts logs into construction lumber. Eight Maddox transformers supply the 15,000 horsepower his equipment needs.

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What are Electrical Transformers?

New to transformers? Check out our article below on what they are, why we need them, how they work, and some common types.

About Transformers

All Other Resources

Manuals for our 3-Phase Padmount, Unit Substation Dry-Type, 600v Dry Type, and Encapsulated/Potted Dry Type Transformers.

Common transformer related terminology and definitions.

Our standard terms and conditions as well as our different product warranties.

Information about becoming a Maddox wholesale partner and the benefits included.

Our standard webstore returns and refund policy. This only applies for general purpose low voltage dry-type transformers purchased online.

Fill out this form if you bought the wrong transformer, or if you received the incorrect unit.

Our webstore shipping and delivery policy. This only applies for general purpose low voltage dry-type transformers purchased online.

Please submit your any warranty claim inquires with this form.

Information about our website terms of service.