625.13 Electric Vehicle Supply Equipment. Electric vehicle
supply equipment rated at 125 volts, single phase, 15 or
20 amperes or part of a system identified and listed as suitable
for the purpose and meeting the requirements of 625.18,
625.19, and 625.29 shall be permitted to be cord-and-plugconnected.
All other electric vehicle supply equipment shall be
permanently connected and fastened in place. This equipment
shall have no exposed live parts.
They put a loophole in there to allow 240v chargers like this. It just needs to be listed.
http://www.leviton.com/OA_HTML/ibeCCtpSctDspRte.jsp?section=41916&minisite=10026
