Resources

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

Articles

Kirk keys installed in padmount cabinet

Kirk Keys are mechanical interlocks that control access to electrical equipment. The interlock only releases the key when the proper conditions are met.

Drive Isolation Transformer installed

February 27, 2025

Should you use a drive isolation transformer in your system? Learn all about DITs in this article: what they are, how they work, and when to use them.

Transformer technician spraying padmount with TransArmour coating

February 17, 2025

Is your transformer in a corrosive environment? TransArmour and stainless steel protect against corrosion. In this article, we compare these two options.

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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.