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I know the leaf brick has varistors, I installed 2 big 130v MOVs on each line to ground when I did the 120v to 240v mod.
My 16 amp 240v after market EVSE probably has a single small 300v+ MOV wired L to L.
I don't see them as being effective strike protection.
If the car is hit with the bolt, that energy will try to ground through the EVSE if plugged in, which will fry it.
If the lines are hit while the car is plugged in but not charging I expect it to maybe damage the EVSE control circuits.
Late at night, most nights my car is still actively charging.
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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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