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Common Questions
My Fremont Center home was built in 1992 and still has the original wiring. Why are my lights dimming when I run the microwave and air conditioner together?
Your 34-year-old electrical system was designed for a different era. While NM-B Romex wiring from 1992 is generally sound, the capacity planned then often fails to meet 2026 demands. Modern appliances like air conditioners, microwaves, and computer equipment create a cumulative load that can overload a 100-amp panel's branch circuits, causing voltage drop and dimming lights. This is a common signal from Fremont Center homes of that vintage that the panel's bus bars are nearing their safe operational limit.
My smart lights and TV keep resetting during storms. Is this an Eversource grid problem or something in my house?
This is likely a combination of factors. Eversource's overhead lines in our area are susceptible to moderate surge risk from seasonal ice storms, which can cause momentary dips or spikes in voltage. Your 1992-era electrical system probably lacks whole-house surge protection at the main panel. These micro-surges are often harmless to old appliances but can easily disrupt sensitive 2026 electronics. Installing a service entrance surge protective device is the first line of defense to clamp these transient voltages before they enter your home's circuits.
How should I prepare my home's electrical system for a -10°F ice storm and potential brownouts?
Winter heating surges are the peak season for electrical failures. First, ensure your heating system is on a dedicated, properly sized circuit. For brownout protection, consider a hardwired automatic standby generator installed with a proper transfer switch; portable generators require extreme caution to prevent backfeed. Given the surge risk, verify your panel has AFCI breakers for bedroom circuits and that a whole-house surge protector is installed. These steps protect both your family and your investment in modern electronics during extended outages.
We have a very heavy tree canopy over the power lines near our home. Could that be affecting our power quality?
Absolutely. The heavy tree canopy common around Fremont Town Hall and throughout the area is a primary cause of power quality issues. Branches rubbing on service drop lines can cause interference, static, and momentary faults reported to Eversource. Furthermore, rocky soil under that canopy can challenge grounding electrode system effectiveness, which is critical for surge dissipation and safety. An electrician should periodically check your ground rod's resistance and ensure all grounding connections at the panel are tight and corrosion-free.
We have overhead lines running to a mast on our roof. What are the common issues with this setup as the house ages?
Overhead service masts, standard for Fremont homes built in 1992, face specific wear issues. The mast itself can loosen or corrode where it penetrates the roof, creating a water intrusion point. The service entrance cables, exposed to 34 years of New Hampshire weather, can become brittle. Ice and wind from storms place mechanical stress on the connections at the weatherhead. During any panel upgrade or inspection, we must evaluate the entire mast assembly for integrity, as it is the physical and electrical interface between Eversource's lines and your home.
What permits and codes are involved if I need to replace my old electrical panel in Fremont?
Panel replacement is strictly permitted work. The Fremont Building Department requires a permit and subsequent inspection to ensure the installation meets the current NEC 2023 code, which mandates AFCI and GFCI protection in specific areas. All work must be performed by a licensed electrician in good standing with the New Hampshire Electricians Board. As the expert on site, I handle the permit paperwork, schedule inspections, and ensure the system is fully compliant, which is also required by Eversource before they will reconnect power.
We lost all power and there's a burning smell near the panel. How fast can a master electrician get to my house off NH-107?
Call for emergency service immediately and describe the burning smell. From our dispatch point near Fremont Town Hall, we can typically be at most homes in the Fremont Center area within 5-10 minutes via NH-107. A burning odor indicates an active fault, like a failing breaker or overheated connection, which requires immediate shutdown and inspection to prevent an electrical fire. Do not attempt to reset the main breaker yourself.
I have an old 100-amp Federal Pacific panel. Can I safely add a Level 2 EV charger or a new heat pump?
No, not without a significant upgrade. A Federal Pacific panel is a known safety hazard due to breakers that can fail to trip during an overload, creating a severe fire risk. Even if the panel were safe, a 100-amp service from 1992 lacks the spare capacity for a 30-50 amp EV charger or a heat pump's dedicated circuit. Installing either requires first replacing the recalled Federal Pacific panel and almost certainly upgrading your service entrance to 200 amps to handle the new, continuous load safely.
