William Sommerwerck wrote:
Yesterday was less humid in the house, and it took an extra puff to
trigger the lead error, but it was still easy. Maybe the shroud of the
jack uses a water absorbing plastic like nylon.

Maybe there's some hygroscopic shmutz around the jacks. Have you thoroughly
cleaned/flushed the area?

yeah, it's clean, plus it's basically new. I've not been dragging it
around a steel mill or anything like that.