VOLTAGE IRREGULARITY REPORT — Brieske residence, Orcutt CA
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Window:     Last 7 days
            Wed Sep 16, 10:16 AM  to  Wed Sep 23, 10:16 AM
Generated:  2026-09-23 10:16:48 PDT
Coverage:   36,679 samples logged today across 87 retained detail files.

Measurement method: three TP-Link EP25 metering outlets record true-RMS line voltage once per second on both 120 V legs of the split-phase service. A Tesla Wall Connector supplies the 240 V line-to-line reference and grid frequency, which is independent of the neutral. A Ting (Whisker) sensor on Leg A samples far faster than 1 Hz and retains the lowest and highest voltage it sees, so it resolves brief excursions that a 1 s RMS average necessarily flattens in both directions. Where the two disagree, the Ting figure is the closer estimate of the real extreme.
What is listed: any reading below 114 V (the ANSI C84.1 Range A lower limit) and any reading above 127 V (the Range B upper limit) at 120 V nominal. Undervoltage dims and stalls equipment; sustained overvoltage damages it, so both are reported.

SUMMARY
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Irregularities listed:      1  (1 low, 0 high)
Corroborated by Ting:       0
Lowest branch reading:      113.75 V   (Ting — V)
Lowest 240 V reference:     235.9 V
Total time out of range:    3 s
By hour of day:             00:00 x1

IRREGULARITIES (newest first)
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[1] 2026-09-23 00:00:22  —  LOW
    Duration:     3 seconds   (4 samples out of range)
    Extreme:      113.75 V on 3D Printer - Mikes Room  (outside Range A)
    Leg A:        120.55 V      Leg B: 116.73 V      split 3.82 V
    240 V ref:    235.9 V
    Pattern:      MINOR LEG IMBALANCE
    Meters:       3D Printer - Mikes Room
    Why listed:   branch meter 113.8 V, below the 114 V Range A limit

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Labels describe the simultaneous meter pattern. They do not assert a
confirmed physical cause; that determination belongs to the utility or
electrician after inspecting the service.