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graphic of liquid-filled padmount and dry-type transformers

May 11, 2026

Compare liquid-filled and dry-type transformers by cost, location, maintenance, efficiency, footprint, and reliability to choose the right unit.

Parts

Liquid temperature gauge on padmount transformer

May 22, 2023

Transformers have monitoring devices such as gauges, sample valves, and test ports to help identify issues in the transformer before they become critical.

Parts

Picture of Maddox's new Ohio Batavia Main Street Campus

May 5, 2026

Maddox Industrial Transformer unveils its new Batavia Main Street Campus, a renovated fire station and three-building office hub revitalizing downtown.

News

new Maddox Battle Ground Washington location

May 4, 2026

Maddox is expanding its footprint in Battle Ground, Washington with a new office, warehouse, and storage yard.

News

April 27, 2026

Highland Electric needed a BABA-compliant padmount to power KWRL Transportation’s fleet of electric schoolbuses. But the industry lead time was forty-two weeks.

Case Studies

Green liquid filled padmounted transformer roped off for testing

November 15, 2022

Overview of the common tests performed on transformers, including Winding Resistance, Megger, Transformer Turns Ratio, Load-Loss, Leak Tests, and others.

How To's

November 1, 2022

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.

How To's

EC Electric contractor standing in front of three padmount transformers

March 16, 2026

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

Case Studies

technician handling tap changers on a low voltage dry type transformer

March 16, 2026

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

How To's

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Guide to Liquid-Filled and Dry-Type Transformers

Transformer Gauges, Indicators and Monitoring Devices

‍Maddox Opens New Main Street Campus in Batavia

Maddox Industrial Transformer Opens New Washington Locations

Highland Electric Powers Bus Fleet with Maddox Padmount

Guide to Transformer Testing Standards

Aluminum vs. Copper Windings in Distribution Transformers

University Project Gets Padmounts Five Months Sooner

Guide to Installing Low Voltage Dry-Type Transformers