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10
208 VAC Panel
1. Main Breaker
2. PE Bus
3. L1
4. L2
5. L3
6. Local Service or Sub Panel
7. L1
8. L2
9. PE
10. Input Terminal Block
11. Output Terminal Block
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.
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.
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