What Gauge Wire To Use With SmartPlug RV Power Inlet and Connector SM46FR
Updated 10/27/2025 | Published 03/13/2025
Question:
What is the largest diameter wire that can be sued with this plug? I have some 6/4 wire left over and want to use that to make my RV power cord with.
asked by: Matthew M
0
Wire Pic
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(click to enlarge)
Wire Pic
(click to enlarge)
(click to enlarge)
Expert Reply:
Hello Matthew, thanks for reaching out. SmartPlug actually recommends using 6-gauge wire for their inlets like part # SM46FR so it sounds like what you have will work well.
expert reply by:
Jesse M
0
SmartPlug RV Power Inlet and Connector
(click to enlarge)
(click to enlarge)
Product Page this Question was Asked From
SmartPlug RV Power Inlet and Connector - 50 Amp - White
- Shore Power Inlet
- Power Inlets
- 50 Amp
- Plastic
- Standard Connector
- RV
- White
- SmartPlug
more information >
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Jesse M.
10/27/2025
Hey Matthew, how did things go using your 6/4 wire with the SmartPlug inlet? It sounds like it should be a good match for that setup. Sharing how it worked could help others planning a similar RV power cord.