11 Mar
2023
11 Mar
'23
12:30 a.m.
On 3/10/23 15:57, Fred Cisin via cctalk wrote:
OB_3-phase anecdote:
PG&E bought a replacement machine for the school
district, on the
condition that all involved go along with a false story that it had been
a lighning strike!
Doesn't seem to be an uncommon practice. I remember an electrician
hooking up a 120V60Hz water cooler to the 250VDC supply used for
welding. Sent the unit back for replacement because of "manufacturing
defects".
--Chuck