Improper grounding?
Doubtful.
Just connecting the panels to racks and grounding the rack would be sufficient, it would be against code. There are thousands of diy installs grounded exactly like that and they haven't failed.
Tesla junk is just prone to bursting into flames compared to the competition.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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