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Talk:Industrial and multiphase power plugs and sockets

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american stuff

i need an amercan to check the american stuff (i cleaned up the incomprehensible mess as best i could with info from the web but i may have made some stupid mistakes) Plugwash 02:38, 26 Sep 2004 (UTC)

pages needing attention

chameleon has added the pages needing attention banner. yet i can't find it on the page of pages needing attention. whats going on here? Plugwash 02:38, 26 Sep 2004 (UTC)

bs 546

theese plugs are neither industrial nor multiphase and so do not belong here Plugwash 02:38, 26 Sep 2004 (UTC)

NEMA 5-20, 5-30, 5-50, 6-15, 6-20, 6-30, and 6-50

theese are not multiphase and by the sounds of things are not industrial do they belong here (im british so i don't feel its my call to make) Plugwash 02:38, 26 Sep 2004 (UTC)

What kind of plug is this?

I live in the United States, and this is the kind of plug my clothes dryer uses:

Since there's no picture on the main page, I was wondering what kind of plug it is. --Evice 01:54, Feb 2, 2005 (UTC)

from http://www.stayonline.com/reference/nema_straight_blade.asp it looks like 7-15 or 7-20 and i STRONGLY suspect it is being misused (ie its not being used to supplly a 275V supplly like the plug type implies) but im not an expert on american plugs and sockets. Plugwash 13:40, 2 Feb 2005 (UTC)
looks more like a 10-30 to me (the diagrams on the page quoted above show receptacles so the top contact is mirror image from the photo) --Ali@gwc.org.uk 19:35, 2 Feb 2005 (UTC)
having looked again i tend to agree with you Ali. I didn't realise that with the split phase plugs the earthed versions varied in more ways than just the added pin. Plugwash 22:18, 2 Feb 2005 (UTC)
Ah, yes. It appears that it is a 10-30 plug. --Evice 04:32, Feb 4, 2005 (UTC)

dubious changes to NEMA 10-20, 10-30 and 10-50 section by evice

http://en.wikipedia.org/w/index.php?title=Industrial_%26_multiphase_power_plugs_%26_sockets&diff=10016880&oldid=10016815 I belive this to be in error and have reverted it.

http://www.stayonline.com/reference/nema_straight_blade.asp groups the 10- series in the "3 pole 3 wire" section in a row labeled "125/250 Volt".

furthermore there is a seperate section for "250 Volt" under "2-Pole 3-Wire Grounding" (the nema 6- series)

from this i would deduce that the plug is (supposed to be) two hots and a neutral not two hots and an earth.

if you have information you feel is more authoritive stating otherwise then please post links/references.

Seems I am mistaken, it looks like grounding is different from most plugs (such as the ordinary 120v plug) - http://ths.gardenweb.com/forums/load/wiring/msg0109563720469.html
Also, could you please start capitalizing? This is not a chat room. --ɛvɪs 23:47, Feb 8, 2005 (UTC)

I had to turn off javascript to get to that page. but yes it seems to confirm what i thought. IE that the connector is two hots and a neutral. Plugwash 00:34, 9 Feb 2005 (UTC)

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