Mainsource Supply: Expert Electrical Company Serving Indianapolis 46259

9144 Maze Rd, Indianapolis, IN 46259

(317) 250-9041

Business Profile

Mainsource Supply is a trusted electrical supply and service provider for Indianapolis homeowners. We understand the common and frustrating electrical issues local residents face, such as unreliable generator transfer switches during power outages and the annoyance of flickering lights that can indicate deeper wiring problems. Our team provides comprehensive electric inspections to diagnose these specific local problems at their source. We go beyond just supplying parts by offering expert guidance and solutions to ensure your home's electrical system is safe, reliable, and up to code. For dependable service that addresses the real electrical challenges in Indianapolis homes, Mainsource Supply is your local resource.

Frequently Asked Questions

Can a standard electrical inspection identify why my generator's transfer switch keeps failing during Indianapolis storms?

Absolutely. A comprehensive electrical inspection from our team specifically checks the integrity and load capacity of your transfer switch installation, which is a common point of failure. We assess the connection to your main panel, ensure proper grounding, and verify it meets local code to handle frequent Indiana weather-related power transitions, providing a reliable backup solution.

My lights flicker in certain rooms. What would your electric inspection look for to solve this common Indianapolis issue?

Flickering lights often point to loose connections, outdated wiring, or circuit overloads in older Indianapolis homes. Our inspection meticulously tests outlets and switches for secure connections, evaluates the condition of wiring in the affected circuits, and assesses your home's overall electrical load to pinpoint the exact cause. This allows us to recommend a targeted, safe fix.

How does an electrical inspection from Mainsource Supply help prevent future electrical problems in my Indy home?

Our inspection acts as a preventive health check for your home's electrical system. By proactively identifying issues like worn components, improper installations, or code violations—common culprits behind local problems like flickering lights—we can recommend repairs or upgrades before they lead to a complete failure or safety hazard, giving you peace of mind.

Main Services

  • Electric inspection

Business Location & Hours



Mon:Open 24 hours
Tue:Open 24 hours
Wed:Open 24 hours
Thu:Open 24 hours
Fri:Open 24 hours
Sat:Open 24 hours
Sun:Open 24 hours


Scroll to Top
CALL US NOW