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Articles

EC Electric contractor standing in front of three padmount transformers

When EC Electric had project deadlines threatened by delayed transformers, they turned to Maddox. Read what happened next.

technician handling tap changers on a low voltage dry type transformer

Learn how to install a low voltage dry-type transformer with this general guide covering wiring, primary tap settings, grounding, anchoring, and NEC compliance.

small dry-type transformer with exposed interior

Not sure whether to buy new or used? Learn what to expect when purchasing a dry-type transformer and how Maddox tests and warranties every unit for reliable performance.

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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.