Double-tapped breakers — two conductors, one screw, code violation.
Two branch conductors landing under a breaker terminal listed for one. Common in roughly one in five Eden Prairie panels we open — driven by basement finishes, hot-tub circuits, garage subpanels, and EV chargers added without panel-space planning. Routine fix, must be documented, never ignored.
A 1-in-5 finding driven by retrofits.
Eden Prairie homes get added circuits — basement bars in Cedar Forest, hot tubs in Bearpath, garage subpanels in Hennepin Village, EV chargers in Mitchell Lake-area builds. When the panel is full, a fast retrofit lands a second conductor under an existing breaker. The terminal is not listed for two; the conductors loosen as they thermal-cycle; arc-fault risk climbs. NEC 110.14(A) is unambiguous, and the manufacturer breaker label is the controlling document. Most fixes are routine — but the finding must be documented before closing.
Six ways double-taps show up.
Not every double-tap is the same. We tag the variation, the breaker brand, the conductor sizes, and any thermal signature in the photo dossier.
Classic two-under-one
Two #12 conductors under a single 20A breaker screw. Most common variant. Simple pigtail correction, $150–$250 typical.
Mixed-gauge double-tap
A #12 and a #14 sharing a 20A terminal. The smaller conductor is now protected at 20A — overcurrent risk on top of loose-termination risk.
Listed-for-two breaker
A small set of Square D QO and certain Cutler-Hammer breakers are factory-listed for two conductors. We verify against the breaker label and document as compliant.
Double-tap on FPE / Zinsco
A double-tap inside a Federal Pacific or Zinsco panel triggers full panel replacement, not breaker correction — the panel itself is the larger problem.
Hot double-tap (IR positive)
Visible double-tap that also reads warm in IR under load. Higher priority — pre-arcing condition. Correction before energizing recommended.
Triple-tap
Three conductors under one terminal. We see this once or twice a season — typically owner-installed garage and shed circuits. Immediate correction.
Three steps. Photo dossier. Same evening.
Pull the dead front, photograph the bus
We pull the dead front on every accessible main panel and subpanel. Wide-angle photo of the entire bus, then close-ups of any termination with two conductors. The breaker brand and model are read from the side label.
Cross-check listing & gauge
Each suspected double-tap is cross-checked against the breaker manufacturer's documented listing for one or two conductors. Conductor gauges are confirmed visually. Mixed-gauge findings get a separate severity tag.
Severity-tagged photo dossier
Same-evening report includes wide and close-up photos of every double-tap, severity classification, and a plain-language correction recommendation your agent can use as a negotiation item.
Worried about the panel? Book a precision inspection.
Two-minute quote. Booking this week. Photo dossier same evening.