What is the diameter of the adapter? (Marinco 126A RV Generator Adapter 20A to 30A)

Answer

Nov 21, 2025 - 02:56 AM

Approximate dimensions for the Marinco 126A adapter:

Body diameter: ~2.25 in (57 mm) at the round main housing
Female end collar (widest point): ~2.6–2.7 in (66–69 mm)
Overall length: ~5.5–6.0 in (tip of 20A blades to back of 30A female)

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Marinco 126A RV Generator Adapter 20A to 30A

Marinco 126A adapter connects a 30 amp RV cord set to a 20 amp generator outlet. Nickel-plated blades, one-piece PVC housing, CSA approved. 125V, 5-year warranty.

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Marinco 126A RV Generator Adapter, 20 Amp Male To 30 Amp Female, 125V

Read our full article "Marinco 126A RV Generator Adapter, 20 Amp Male To 30 Amp Female, 125V" which goes in depth on this topic.

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What is the diameter of the adapter? Marinco 126A RV Generator Adapter 20A to 30A Generator Parts

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