Electrical Panel Upgrade in Dumfries, VA

Why so many Dumfries panels are due for a look

Dumfries is an old town with fairly young houses. The Census ACS counts 410 homes built in the 1970s and 582 built in the 1980s. Together that is about half of all homes in town. A panel put in when one of those homes was new is now 35 to 55 years old.

Those panels were sized for the house of that time. Many now feed things the builder never planned for, like a heat pump, a second fridge, a hot tub or a car charger. Census data shows that more than half of the occupied homes in Dumfries heat with electricity, so the heating load alone can take a big share of an older panel.

Before we suggest a new panel, we read the label, count open spaces, look for heat marks and run a load calculation. You can get a first number yourself with our panel load calculator. Sometimes a panel is fine and only one circuit needs work.

Town permit, town inspection, then Dominion

Most of the places around Dumfries use the county for permits. Dumfries does not. Prince William County says its Development Services office does not provide services for the town. So a panel job at an address inside town limits goes to Town Hall, and the inspector who signs off is from the town.

The steps with the power company come next. Dominion Energy asks for a temporary disconnect for panel work. A move to a larger service needs a longer, scheduled disconnect, because the meter base and service cable change too. Dominion will not reconnect until it has proof the work passed inspection.

If you plan a bigger service, know that the 2021 code asks for a surge protective device at the service and an outside emergency disconnect for houses and townhouses. Prince William County's code summary says the disconnect rule does not apply to exact replacements. We tell you which case your job is before the date is set.

Townhouses, mobile homes and the historic district

About 43% of homes in town are townhouses and about 10% are mobile homes, per the Census ACS. Each one changes the plan. In a row of townhouses, the meters may be grouped on one end wall. A mobile home may be fed from a post or pedestal in the yard. We look at where the meter and service come in before we plan the shut off.

West of Route 1, part of the old town is in a historic overlay district. Potomac Local reported that owners there may need approval before exterior changes. A panel that stays inside is not an exterior change, but a new meter base on the front wall could be. Ask Town Hall first.