Hi folks
When reading the 2020 NEC for a master electrician exam, I noticed 210.8(B)
says that 50A and below must now have a GFCI breaker at the panel that Tesla
etc says will cause nuisance trips (see article). 625.54 in the EV section
further states “All receptacles for EV charging shall have
NEC article 625.17 has a mention that the input cord length shall not exceed
12” if the personnel protection system (GFI?) is located in the EVSE enclosure.
That appears to be an ‘out’ for needing a GFI breaker? Just speculation.
Tom Keenan
> On Apr 12, 2024, at 7:14 AM, Mark Hanson via EV
Collected some actual data about the power usage of my EV F250.
I did a CostCo trip tonight and remembered to set/clear counters before
leaving.
102.4 Miles, 242.8AH. Started at 350v, ended at 310v.
Cruising at 60mph uses somewhere around 45KW. (even on dead level road,
with little wind, it
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On 12 Apr 2024 at 13:35, Mark Hanson via EV wrote:
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Thanks Phil etc
Sometimes the code doesn't explain why there's certain rules that appear
arbitrary (like the 12" cord rule). The larger units are limited to 6'.
Presumably the GFCI trip current (inside a
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