Do Generac transfer switches use copper or aluminum wiring?

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Do Generac transfer switches use copper or aluminum wiring?

The wiring type depends on the specific transfer switch model and the specific wiring (control, power, etc.) Always follow local codes and regulations when installing generator wiring.

Oct 11, 2023
Knowledge

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Do Generac transfer switches use copper or aluminum wiring?

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Do-Generac-transfer-switches-use-copper-or-aluminum-wiring

Public Answer

Internal wiring type is dependent on the transfer switch model and the specific wiring (control, power, etc.)

Internal harnesses are often aluminum, but some internal wiring in some switches may have copper (for example the T1/T2 connections in the Homelink switch are copper, but the internal harness uses aluminum.) For control wires, installers should use copper, but for power wires either copper or aluminum are often used. A local IASD with trained installers can assist with questions related to generator installation. See How Can I Find a Generac Service Dealer in My Area? for more information.

Homeowners and installers should always follow all applicable codes and refer to their local AHJ (Authority Having Jurisdiction) for which type of wiring to use.

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Do Generac transfer switches use copper or aluminum wiring?