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The article mentions the curved blades for twist-lock, which is at least slightly obvious. It then mentions straight blades otherwise. But many NEMA non-L connectors have other shapes. Some have a round or U-shaped ground pin. The 5-30, 10-30, and 14-30 have an L shaped pin. Somehow this needs to be discussed in contrast to the curved blades. Oh, some L connectors have a center round pin. Gah4 ( talk) 22:15, 29 June 2020 (UTC) For the latter, the L21-30 has a round center ground pin. Gah4 ( talk) 22:20, 29 June 2020 (UTC)
This article stubbornly refers to the common RV connector as a NEMA TT-30. The TT-30 is not recognized by NEMA. I think is because the TT-30 closely resembles the NEMA 7-20 and 7-50 which are intended for 277V. For completeness, I suggest we document the TT-30 in this article but do not call it a NEMA TT-30.
The TT-30 is listed on page 145 of the ANSI/NEMA WD 6-2016 document (PDF page 153, available from archive.org [1]). It's listed in a table with heading "NEMA CONFIGURATIONS FOR SPECIFIC PURPOSE PLUGS AND RECEPTACLES", so as of 2016 both ANSI and NEMA seem to agree it is a NEMA TT-30. Or is there something more subtle here? Olawlor ( talk) 05:45, 21 September 2021 (UTC)
The article says, "When a power feed cord is detachable from an RV, an L5-30P is usually used on the RV end of the cord. " That is hard to believe. Almost certainly, at the RV end of the cord the connector would be a female ("receptacle" - "R").
I think today typical RVs (except the largest) have a TT-30P on the RV body, so the cord would have a TT-30R at the RV end. Doug Kerr
The following Wikimedia Commons files used on this page or its Wikidata item have been nominated for deletion:
Participate in the deletion discussion at the nomination page. — Community Tech bot ( talk) 11:07, 1 October 2022 (UTC)
It seems that the NEMA 24 only comes in the locking form as L24-20. [ ANSI_NEMA WD 6-2021 watermarked_2024-04-30.pdf It is described here, which you can get a free account to download for non-commercial use. Gah4 ( talk) 13:51, 30 April 2024 (UTC)
This is the
talk page for discussing improvements to the
NEMA connector article. This is not a forum for general discussion of the article's subject. |
Article policies
|
Find sources: Google ( books · news · scholar · free images · WP refs) · FENS · JSTOR · TWL |
Archives:
1,
2Auto-archiving period: 30 days
![]() |
![]() | This article is rated B-class on Wikipedia's
content assessment scale. It is of interest to the following WikiProjects: | ||||||||||
|
|
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This page has archives. Sections older than 30 days may be automatically archived by Lowercase sigmabot III when more than 5 sections are present. |
The article mentions the curved blades for twist-lock, which is at least slightly obvious. It then mentions straight blades otherwise. But many NEMA non-L connectors have other shapes. Some have a round or U-shaped ground pin. The 5-30, 10-30, and 14-30 have an L shaped pin. Somehow this needs to be discussed in contrast to the curved blades. Oh, some L connectors have a center round pin. Gah4 ( talk) 22:15, 29 June 2020 (UTC) For the latter, the L21-30 has a round center ground pin. Gah4 ( talk) 22:20, 29 June 2020 (UTC)
This article stubbornly refers to the common RV connector as a NEMA TT-30. The TT-30 is not recognized by NEMA. I think is because the TT-30 closely resembles the NEMA 7-20 and 7-50 which are intended for 277V. For completeness, I suggest we document the TT-30 in this article but do not call it a NEMA TT-30.
The TT-30 is listed on page 145 of the ANSI/NEMA WD 6-2016 document (PDF page 153, available from archive.org [1]). It's listed in a table with heading "NEMA CONFIGURATIONS FOR SPECIFIC PURPOSE PLUGS AND RECEPTACLES", so as of 2016 both ANSI and NEMA seem to agree it is a NEMA TT-30. Or is there something more subtle here? Olawlor ( talk) 05:45, 21 September 2021 (UTC)
The article says, "When a power feed cord is detachable from an RV, an L5-30P is usually used on the RV end of the cord. " That is hard to believe. Almost certainly, at the RV end of the cord the connector would be a female ("receptacle" - "R").
I think today typical RVs (except the largest) have a TT-30P on the RV body, so the cord would have a TT-30R at the RV end. Doug Kerr
The following Wikimedia Commons files used on this page or its Wikidata item have been nominated for deletion:
Participate in the deletion discussion at the nomination page. — Community Tech bot ( talk) 11:07, 1 October 2022 (UTC)
It seems that the NEMA 24 only comes in the locking form as L24-20. [ ANSI_NEMA WD 6-2021 watermarked_2024-04-30.pdf It is described here, which you can get a free account to download for non-commercial use. Gah4 ( talk) 13:51, 30 April 2024 (UTC)