Maddox.com

Thank you! Your submission has been received!

Oops! Something went wrong while submitting the form.

closeup of arresters on a green loop-feed padmount transformer

September 28, 2026

Learn how transformer arresters protect electrical equipment from lightning and switching surges, the main arrester types, and how to choose the right one.

Parts

August 20, 2026

Learn why transformers fail, what warning signs to watch for, and how to prevent unexpected downtime.

Parts

photo of vacuum interrupter integrated into green padmount

May 20, 2026

When standard fusing reaches its capacity limits, you need a different way to protect your transformer. Learn how integrated vacuum interrupters compare to standalone switchgear for high-kVA applications.

Parts

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

small dry-type transformer with exposed interior

March 4, 2026

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.

Parts

substation transformer with cooling fans in yard

February 24, 2026

Explore substation transformers, power-class definitions, voltage ranges, and key design features used in transmission and distribution substations.

Parts

January 29, 2026

Learn what transformer bushings are, how they work, their two main types (dead-front and live-front bushings), and when each type works best in padmount and substation transformers.

Parts