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Glendenning Construction and Electrical Services
Questions and Answers
My smart TVs and computers keep resetting during storms. Is this an Ameren Illinois grid issue?
Frequent resets during storms point to voltage surges on the utility grid. Ameren Illinois serves a region with high lightning activity, which induces powerful surges that can travel into your home. Basic power strips offer little protection. To safeguard modern electronics, a professionally installed whole-house surge protector at your main panel is the recommended solution to clamp these damaging spikes.
I have an old 100-amp panel. Can I install a Level 2 EV charger or a new heat pump?
A 100-amp service from 1967 is typically insufficient for adding a Level 2 EV charger or a modern heat pump. These high-demand appliances often require a 200-amp service upgrade. Furthermore, we must check if your panel is a Federal Pacific brand, which is a known fire hazard and should be replaced immediately. A full service and panel upgrade are the necessary first steps for safe EV charger or HVAC integration.
My Highland Park home still has the original cloth wiring from 1967. Why are my lights dimming when the AC and microwave run at the same time?
Your electrical system is 59 years old. Cloth-jacketed copper wiring, common in 1967, was never designed to handle the simultaneous demands of a modern 2026 home. Today's appliances like microwaves and air conditioners require more power, which causes voltage drop across the old wiring and leads to dimming lights. This is a clear sign the system is overloaded and needs a capacity evaluation to prevent overheating.
My power comes from an overhead line on a mast. What maintenance should I be aware of?
Overhead service masts require periodic inspection for weather damage, proper mast head clearance, and secure attachment to the house. Ice, wind, and aging can compromise the mast or the service drop conductors from the utility pole. Any sagging wires, loose hardware, or corrosion on the mast head should be addressed promptly by a professional to prevent a service interruption or safety hazard.
We have flat, open land near Veterans Memorial Park. Could that affect my home's electrical grounding?
The flat prairie plains around Highland Park generally provide good conditions for grounding electrode systems. However, soil composition and moisture content are more critical factors than terrain. We test grounding resistance to ensure it meets NEC 2023 requirements, which is vital for safety and for protecting electronics from surges, especially given our area's frequent lightning.
I want to upgrade my electrical panel. What permits are needed from the City of Mount Vernon?
A service panel upgrade always requires a permit from the Mount Vernon Building and Zoning Department. As a master electrician licensed by the Illinois Department of Financial and Professional Regulation, I handle the entire process: pulling the permit, ensuring the installation meets NEC 2023 code, and scheduling the required inspections. This formal process guarantees the work is documented and safe for your home and family.
How can I prepare my home's electrical system for a Southern Illinois ice storm or summer brownout?
For winter ice storms, ensure your heating system is serviced and consider a hardwired backup generator installed with a proper transfer switch to keep essentials running. Summer brownouts, caused by peak AC demand, stress aging components. A service upgrade can improve stability, and whole-house surge protection is critical as brownouts are often followed by damaging power restoration surges.
Who do I call for a burning electrical smell in my Mount Vernon house right now?
If you smell burning from an outlet or panel, shut off power at the main breaker and call a licensed electrician immediately. From Veterans Memorial Park, we can be on I-57 in under a minute for a 5-8 minute dispatch to most Highland Park addresses. Do not wait; this odor indicates active overheating and a potential fire hazard that requires urgent professional diagnosis.