Required Supplies
- Mounting bracket hardware (see Appendix A: Powerwall 3 Anchoring Details)
- Gateway 3 mounting hardware
- Minimum
10 AWG, 600 V
rated, UV resistant, 90°C rated, copper (Cu) wire
- PV and AC wiring conductors must be made of solid wire, stranded wire or fine stranded wire. Forked wire terminals are recommended (required for fine stranded wire)
- AC conductor cross-section intake range: 10 AWG to 4 AWG (6 mm² to 25 mm²)
- PV conductor cross-section intake range: 10 AWG to 6 AWG (6 mm² to 16 mm²)
- Minimum
600 V rated 4-conductor (twisted pair optional) or double-insulated (with one
twisted pair) shielded copper (Cu) cable (for communication connection between
Powerwall and the Gateway
3)NoteIf custom cable is used, it must meet the following specifications:
- 16 AWG or 18 AWG (according to wiring distance limits defined in Plan Cable Length Between Components)
- 4-conductor (twisted pair optional)
- Class 1 Circuit Listed
- Outdoor-rated
- Overall shield with drain
- RJ45 connectors for Ethernet wiring
- Metallic conduit for Powerwall 3 AC and PV circuits
- Minimum
NEMA 4 (IPX5) or higher conduit hubs. Tesla recommends one of the following
options which meet this requirement:
- ¾ inch PVC-MC cable connector
- 1 inch PVC-MC cable connector
- ¾ inch Bridgeport 252-RTI2 connector
- 1 inch Bridgeport 252-RTI2 connector
- ¾ inch Rigid metal conduit (RMC) Myers hub with RMC conduit
- 1 inch Rigid metal conduit (RMC) Myers hub with RMC conduit
- ¾ inch RMC sealing locknut with RMC conduit
- 1 inch RMC sealing locknut with RMC conduit
- 1-¼ inch RMC sealing locknut with RMC conduit
- ¾ inch, 1 inch, and 1-¼ inch conduit sealing washers