Powerwall 3 AC and PV Wiring

Terminal Name Recommended Wire Color Wire Gauge Wire Strip Length Torque
1 N (Neutral) White 10 - 4 AWG (6 - 25 mm2) 7/16-inch (11 mm) N/A
2 L2 (Line 2) Red 10 - 4 AWG (6 - 25 mm2)
3 L1 (Line 1) Black 10 - 4 AWG (6 - 25 mm2)
4 Ground terminals Green 12 - 4 AWG (4 - 25 mm2) 3/4-inch (19 mm) 35 in-lb (4 Nm)
5 MPPT Positive PV inputs (PV 1+, 2+, 3+, 4+, 5+, 6+) Red 10 - 6 AWG (6 - 16 mm2) 5/8-inch (16 mm) N/A
6 MPPT Negative PV inputs (PV 1-, 2-, 3-, 4-, 5-, 6-) Black 10 - 6 AWG (6 - 16 mm2)
7 MPPT Parallel Jumper Slots Use provided jumpers (Tesla P/N: 1784893-xx-y)*

*Do not make jumpers. Use only the jumpers included in the Powerwall 3 accessory bag.

Informational PurposesAn informational icon, calling your attention
Note
The leftmost terminal in the AC connector is not used.
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Note
AC power output terminals are rated to a minimum of 90°C.
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Note
Use only copper conductors in the PV connector and GND terminals.
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Note
PV input terminals (MPPT DC inputs) are rated to a minimum of 75°C.
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Note
Powerwall 3 units with P/N 1707000-11-L and higher or 1707000-21-L and higher have a unique PV connector in which the positive (5) and negative (6) conductors for each string are connected side-by-side. As depicted below, all other Powerwall 3 units have a PV connector in which the positive (5) conductors are connected on the left, and the negative conductors (6) are connected on the right.
Terminal Name Recommended Wire Color Wire Gauge Wire Strip Length
5 MPPT Positive PV inputs (PV 1+, 2+, 3+, 4+, 5+, 6+) Red 10 - 6 AWG (6 - 16 mm2) 3/8-inch (9.5 mm)
6 MPPT Negative PV inputs (PV 1-, 2-, 3-, 4-, 5-, 6-) Black 10 - 6 AWG (6 - 16 mm2)