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Recommended Cable Specifications

These specifications are a general guide. Actual wire sizes and ratings should be verified based on use, load calculations, and local electrical codes.

Description

Terminal ID

Cable Type

Notes

Ground

IEC_60417_-_Ref-No_5019.svg

Bare or Insulated Copper

Connect to a ground rod or Ufer ground-in pad for low-resistance grounding.

Communication Cables

LYNK II -

RJ45 for Ethernet and CAN-based connections.

Standard CAT6 or higher Ethernet Cable

Run two separate cables: One dedicated for CAN bus communication with the inverter and another for the internet connection to the LYNK II Gateway.

AC Auxiliary Connection

J6 (Pre-Wired Connector)

Use cable rated for wet and dry.

Continuous current less than 20 A, circuit breaker 32 A, use #10 AWG copper minimum, as per NEC guidelines for ampacity. Adjust for longer runs or higher temperatures.

P+/P- Terminations

P+/P-

A high-strand, flexible single-conductor cable insulated with XLPE, RHW-2, USE-2, PV Wire, or equivalent, is used for high-voltage DC applications. The cable should be rated above the expected maximum DC voltage in the specified configuration.

Check the PCS or inverter manual for recommended or maximum wire size.

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