Ignoramus20157 wrote:
245 volts is only mildly on the high side and should not cause the
symptom described.

i



As well as sometimes things just do fail. If only I had a dollar for
every time someone with zero technical knowledge told me "this failed
because so and so did this or that". Just because something broke
shortly after work was done, does not automatically mean that the work
done is what caused it to break.