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14
3.2.3 Grounding Requirements
The charger must be connected to a grounded, metal, and permanent wiring system. An
equipment-grounding conductor must be run with circuit conductors and connected to an
equipment-grounding terminal or lead on the charger.
A grounding conductor that complies with applicable codes must be grounded to earth at the
service equipment or, when supplied by a separate system, at the supply transformer.
Ensure that a grounding conductor that complies with all applicable codes is properly
grounded to earth at the service equipment, when supplied by a separate system, at the
supply transformer.
Neutral is not used to power the charger but must be properly connected to ground, at the
panel transformer, to provide necessary voltage reference relative to ground.
3.3 Preparing for Installation
3.3.1 Location
Install your charger on a flat and vertical surface capable of supporting its weight (e.g.,
a finished wall or pedestal). The maximum weight of a MaxiCharger AC Wallbox Home
is approximately 14.8 lbs. (6.7 kg).
Install the charger in a location that allows the charging cable to remain within its bending
tolerance.
Position the charger in a location where it is not vulnerable to being damaged.
3.3.2 Positioning
1. Determine the desired charging amperage and whether the desired circuit rating requires
a hardwired circuit. Choose based on the electrical capacity in the panel, the desired
speed of charging, and whether the user prefers a NEMA plug-in or hardwired installation.
Circuit Rating
Max Load
Estimated Range
per Hour
NEMA Plug-in
Hardwire
50 A 40 A Up to 38 miles/61 km
Yes Yes
40 A 32 A Up to 30 miles/48 km
Yes Yes
IMPORTANT
In Canada, a NEMA plug-in installation is only allowed with a 50 amp circuit.
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