Main Disconnect Repair

Fixing Issues with Main Disconnects

The main disconnect switch controls all electricity flowing into your home. When it malfunctions, the entire property is at risk of power loss or electrical hazards. MAD Energy NW provides expert diagnostics and repairs from a licensed Auburn electrician to restore the safe operation of main disconnects and ensure full compliance with electrical codes.

Understanding the Main Disconnect

The main disconnect acts as the central shutoff point between your utility service and the electrical panel. It allows power to be turned off during maintenance, emergencies, or upgrades. If it becomes damaged or unresponsive, it may fail to cut power when needed or interrupt supply unexpectedly. Common signs of a failing main disconnect include the following:
  • Difficulty turning the switch on or off
  • Breakers tripping when the disconnect is operated
  • Buzzing or humming near the switch housing
  • Visible corrosion or burn marks
  • Partial or complete power loss to the home

These problems require immediate attention to prevent further electrical damage.

Our Diagnostic and Repair Process

MAD Energy NW begins by inspecting the disconnect assembly, breaker connections, and service line terminals to determine the source of failure. Using proper testing equipment, we evaluate voltage flow and grounding to confirm the switch’s integrity.

Our process includes the following:

  • Checking mechanical movement and switch alignment
  • Cleaning and reterminating corroded connections
  • Replacing worn or burned contacts
  • Testing continuity and insulation strength
  • Verifying safe operation after all work is complete


Every repair is performed following Washington State’s electrical safety standards and manufacturer specifications.

When Replacement Is Necessary

If the disconnect shows severe corrosion, melting, or an outdated design, replacement is often the safest choice. Installing a new, code-approved main disconnect ensures reliable control of your home’s electrical power and proper emergency shutdown when required.

Our electricians replace components with compatible, high-quality materials designed for long-term use and safety.

Preventive Maintenance

Routine inspections help keep disconnects in proper working order. During scheduled maintenance, MAD Energy NW checks for signs of oxidation, wear, or improper torque on connections to prevent potential shutdowns. Keeping the disconnect clean and protected from moisture extends its lifespan and performance.

Safe Control of Your Home’s Power

A dependable main disconnect is essential for maintaining both safety and convenience. Homeowners can trust an Auburn electrician from MAD Energy NW to identify, repair, or replace faulty disconnects with precision and care.