Tesla Solar Inverter Wiring

DC Wiring

Terminal Name Recommended Wire Color Wire Gauge Strip Length
A DC Isolator N/A N/A N/A
B L1* Black 12 - 6 AWG (4 - 16 mm2)** 0.4 in (10 mm)
C L2* Red 12 - 6 AWG (4 - 16 mm2)** 0.4 in (10 mm)
D MPPT positive DC inputs (PV 1+, 2+, 3+, 4+) Red 12 - 8 AWG (4 - 10mm2)** 0.4 in (10 mm)
E MPPT negative DC inputs (PV 1-, 2-, 3-, 4-) Black 12 - 8 AWG (4 - 10 mm2)** 0.4 in (10 mm)
F Ground Conductors Green 12 - 4 AWG (4 - 25 mm2)** 0.7 in (18 mm)
G Solar Inverter Disable IN Gray 24 - 16 AWG (0.25 - 1.5 mm2) 0.4 in (10 mm)
H Solar Inverter Disable OUT Black 24 - 16 AWG (0.25 - 1.5 mm2) 0.4 in (10 mm)
I CN - Orange 24 - 16 AWG (0.25 - 1.5 mm2) 0.4 in (10 mm)
J CN + Blue 24 - 16 AWG (0.25 - 1.5 mm2) 0.4 in (10 mm)

*For the AC power terminals on Solar Inverter with Site Controller (1538000-45-y), see AC Power Wiring.

**Use only copper conductors. AC power output terminals and PV input terminals (MPPT DC inputs) are rated to a minimum of 60°C.

AC Power and Communication Wiring (Solar Inverter with Site Controller Only)

Table 1. AC Power Wiring
Terminal Name Recommended Wire Color Wire Gauge Strip Length
A L1 Black 10 - 6 AWG (6 - 16 mm2) 0.7 in (18 mm)
B L2 Red 10 - 6 AWG (6 - 16 mm2) 0.7 in (18 mm)
C N White 10 - 6 AWG (6 - 16 mm2) 0.7 in (18 mm)
Informational PurposesAn informational icon, calling your attention
Note
AC power output terminals are rated to a minimum of 60°C.
Table 2. Jump Start Wiring
Terminal Name Recommended Wire Color Wire Gauge Strip Length
D 12V + (Logic +) Red 18 - 16 AWG (0.8 - 1.5 mm2) 0.4 in (10 mm)
E GND (Earth) Black 18 - 16 AWG (0.8 - 1.5 mm2) 0.4 in (10 mm)
Table 3. External CAN Wiring
Terminal Name Recommended Wire Color Wire Gauge Strip Length
F 12V + (Logic +) Red 18 - 16 AWG (0.8 - 1.5 mm2) 0.4 in (10 mm)
G GND (Earth) Black 18 - 16 AWG (0.8 - 1.5 mm2) 0.4 in (10 mm)
Table 4. Ethernet Port
Terminal Name Wire Gauge
H Ethernet port 24 AWG CAT5 or better