When it comes to electrical infrastructure, few components are as critical—and often misunderstood—as switchgear. Whether you’re working on a residential upgrade or a light commercial installation, understanding the function, types, and proper application of switchgear can make a significant difference in the safety, efficiency, and longevity of your electrical system.
What Is Switchgear, Anyway?
At its core, switchgear is a combination of electrical disconnect switches, fuses, and/or circuit breakers that are used to control, protect, and isolate electrical equipment. It’s essentially the first line of defense in an electrical system, preventing overloads and short circuits that could cause equipment damage or safety hazards.
Switchgear is used to de-energize equipment to allow for safe maintenance and to clear faults downstream—keeping both people and property safe.
Key Types of Switchgear
1. Low-Voltage Switchgear
Used in applications up to 1,000 volts, low-voltage switchgear is common in residential and light commercial buildings. It typically houses circuit breakers, contactors, and protective relays.
2. Medium-Voltage Switchgear
This handles voltages between 1,000 and 35,000 volts and is more often found in commercial and industrial applications. It includes vacuum circuit breakers and metal-clad enclosures.
For electricians working on smaller projects, low-voltage switchgear is usually the go-to—especially when upgrading service panels, managing distributed power sources, or planning load centers for multi-unit residential buildings.
Top Considerations When Choosing Switchgear
Safety & Compliance:
Make sure the switchgear meets current NEC codes and UL standards. Leading manufacturers like Eaton offer fully certified gear designed with safety and ease of installation in mind.
Scalability & Load Capacity:
Choose equipment that not only meets current needs but also allows for future expansion—especially in commercial spaces where energy demands may grow.
Ease of Installation & Maintenance:
Compact designs, clear labeling, and modular components can save hours during install and help speed up service calls later.
Brand Compatibility:
Sticking with trusted names like Eaton, Square D, or Hubbell ensures consistency, availability of replacement parts, and better technical support.
Pro Tip from the Counter
“We always recommend electricians spec gear that comes preassembled or modular. It saves a ton of time on site, especially when you’re up against a tight project deadline.” — Sales Rep, All County Electric Supply
Need Help Sourcing the Right Gear?
At All County Electric Supply, we stock a wide range of switchgear from top manufacturers like Eaton and Ideal. Whether you’re upgrading a panel for a residential client or planning the power distribution for a new retail space, we’re here to help you find the right gear—fast.
Stop by our counter or give us a call to get expert advice on the right switchgear for your next project.