Resources

Stay up-to-date on events, transformer best-practices, industry news, and special offers from Maddox.

Articles

May 16, 2025

Learn the key differences between Delta (Δ) and Wye (Y) transformer connections, including use cases, advantages, grounding, and how to choose the right setup.

Parts

Old padmount transformer ready for repair

May 5, 2025

Utilities mislabel transformers as "junk" due to outdated definitions, missing out on fair market value. Learn how to recover more money from your assets.

How To's

April 18, 2025

Tariffs are here, and electrical transformers will be affected. Here's how you should prepare for cost increases, longer lead times, and more.

News

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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.

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Articles

Guide to Delta and Wye Transformer Connections

It's Time for a New Definition of "Damaged Beyond Repair"

How to Prepare for Transformer Tariffs

What are Electrical Transformers?

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