DK> I have a dedicated 20 amp circuit that feeds 4 outdoor recepticals spaced
DK> around my yard. There is probably a total of 300 feet of 12 AWG Romax
DK> underground wire used, burried about a foot deep in our (very) sandy soil.
DK> This setup has been working fine for years, until the other day when the
DK> circuit breaker popped. We reset it, and things were fine until the middle
This does sound like a "fun one"! Once every 24 hours, at night, and
just started. I would tend to think in terms of a daily (nightly)
event, or possibly thermal. For the latter possibly dinged insulation
and when it cools down at night the wire shifts slightly, allowing
contact to ground. Could also be a staple through the insulation,
possibly grounding through metal siding or similar.
In the event category, possibly a sprinkler system (neighbour's?), the
spray has been adjusted or plantings grew/trimmed so now the water
hits a receptacle?
¯ barry.martinþATþthesafebbs.zeppole.com ®
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