Older bungalows, mid-century ranch houses, new builds and remodels each raise their own electrical questions, best settled before closing or while the walls are open.
A house that is new to you comes with an electrical system someone else planned, often for a household with far fewer things to plug in. The panel, the number of circuits and the outlets in each room reflect what the house needed when it was wired, and most of that hides behind plaster and drywall.
Dallas bungalows from the 1920s and 1930s were wired for a ceiling light and an outlet or two per room. The mid-century ranch houses that followed added more, though nowhere near what a household runs today, and many have since been partly updated, leaving old and new wiring side by side. New builds raise the opposite question: modern wiring, but sometimes only the circuits the code requires, with little set aside for a workshop, a second refrigerator or an electric car.
A remodel brings both together. Opening walls shows what the house is really wired with, and the new work in those rooms has to meet current code.
A home inspection is the start of the electrical picture rather than the whole of it. Before closing, these are worth asking the seller, the listing agent or the inspector:
The answers do not have to be complete to be useful. A seller who knows the panel was replaced, or that one bedroom circuit trips whenever a space heater runs, has already narrowed down where to look.
Have an electrician look at the items together, early in the option period if the purchase is still under contract. An inspector notes what can be seen without opening walls, so some flags turn out to be small corrections while others point to larger work behind them. Knowing which is which helps you decide what to ask the seller to repair or credit.
A double tap is two wires under a breaker screw made for one, a connection that can loosen and overheat. An open ground is a three-prong outlet with no ground wire behind it, so the third prong protects nothing. Reversed polarity means the hot and neutral wires are swapped at an outlet. Most are contained repairs, although a run of open grounds can point to ungrounded wiring throughout the house.
Not as a rule: which items are repaired, credited or left alone is a matter between buyer and seller. Items that affect safety belong at the top of the list, such as missing GFCI protection near water, double taps, open grounds, warm or scorched outlets and anything about the panel. Smaller items, such as a fixture missing its globe, can wait for a later visit.
Some issues only show once a new household starts living in the house and plugging in its own things.
| What you notice | Possible cause | Fix |
|---|---|---|
| Too few outlets, with extension cords in every room | Wiring from a time when a room needed one or two outlets; current code puts one within six feet of any point along a wall | New outlets on circuits that have room, or new circuits where they do not. Extension cords are not a permanent answer. |
| Breakers tripping since the move | More running on a circuit than the last household used, or a worn breaker or a loose connection | Note what was running. Reset the breaker once; if it trips again, leave it off and call. |
| Two-prong outlets | Wiring from before ground wires were standard | A GFCI outlet adds shock protection without a ground, or a new grounded circuit serves computers and appliances. Swapping in a plain three-prong outlet is not a fix. |
| A buzzing panel | A loose connection, a failing breaker or a breaker carrying more than it should | Leave the cover on and call. Loose parts are tightened or replaced, and a worn-out panel may need replacing. |
| Items flagged in the inspection report | Anything from a double tap or an open ground to missing GFCI protection | Have the items looked at together; many are small corrections, and a few point to larger work. |
| No GFCI protection in wet areas | Wiring done before GFCI rules reached kitchens, baths, garages, laundry areas and outdoor outlets, in stages from the 1970s on | GFCI outlets or GFCI breakers on those circuits, tested with the button once a month. |
Two-prong outlets often go with cloth-insulated or very old wiring, and when they cover most of the house, the lasting answer may be rewiring rather than one outlet at a time.
The time to settle circuits, outlets and lighting is before the drywall goes up. Wire that would mean cutting and patching finished walls later runs far more simply through open studs and joists, so the best moment to walk the rooms with the layout in hand is before the framing is closed.
Kitchens and baths ask the most of a remodel’s wiring: dedicated 20-amp circuits for the countertop and bathroom outlets, GFCI protection near water, and in newer work AFCI protection on circuits in living areas and bedrooms. Recessed lights in a ceiling under the attic should be rated for contact with insulation, and a bath fan should vent outdoors rather than into the attic.
With those in hand, the first conversation can go straight to the items that matter most for this particular house.
Call, or send a request listing the electrical items from the inspection report and anything you plan to add.
This chat is recorded, and an automated assistant may answer it. Privacy Statement
