Buyer Guides
Practical guides to help you source the right electrical power equipment — whether you're buying your first surplus breaker or speccing out a full switchgear line-up.
New vs. Surplus vs. Used Electrical Equipment
Understand the real differences between new, new-surplus and used power equipment — and when each option makes the most sense for your project and budget.
How to Choose the Right Circuit Breaker
A practical guide to selecting molded-case, insulated-case and power circuit breakers by frame size, amperage, voltage and interrupting rating.
Understanding Electrical Equipment Ratings
Decode voltage, amperage, phase, frequency, AIC and other nameplate ratings so you can spec and source the right equipment every time.
What Is a Motor Control Center (MCC)?
Learn what a motor control center is, how MCC buckets work, the major manufacturers, and how to source replacement buckets for your existing lineup.
Fuse Types Explained: Class J, Class RK, Class L & More
A plain-language guide to industrial fuse classes — how they differ, when to use each, and what to look for when replacing fuses.
Bus Plugs & Busway: A Buyer’s Guide
How busway systems work, the difference between feeder and plug-in busway, major manufacturers, and how to match replacement bus plugs.
Buying Surplus Electrical Equipment: What to Look For
A practical checklist for evaluating surplus equipment — condition grades, catalog number verification, physical inspection, and compatibility checks.