PV electrical basics
Industry Term

MAC ID

A MAC (Media Access Control) ID is a unique address assigned to any Tigo hardware device with a network interface controller (NIC).

What does MAC ID mean?

A MAC (Media Access Control) ID is a unique address assigned to any Tigo hardware device with a network interface controller (NIC).

Why does MAC ID matter in a solar project?

This term affects electrical design, string sizing, code checks, equipment ratings, and safe installation. In solar, the numbers are not decoration; they are the guardrails.

How it relates to Tigo

Tigo hardware identifiers help installers add and identify devices during commissioning and support.