Mildly OT: NEMA plug guide for dummies

Alex Rubenstein alex at
Tue Mar 28 16:56:15 UTC 2006

(I got this by going to google, typing 'nema plug' and hitting 'I'm 
Felling Lucky!')

On Tue, 28 Mar 2006, Olsen, Jason wrote:

> So I have a large amount of 802.3af gear going out to sites for new
> installs and upgrades, which means a lot of new electrical service is
> being pulled into closets.  Despite my best efforts it seems the
> standard IT-Facilities miscommunications are occuring with the building
> folks at these sites, the wiring is being done wrong and I'm left to
> clean up the mess.  What's vexed me the most about this is that many of
> our "remote hands" have no electrical experience at all so they're
> completely unable to determine the types of plugs and receptacles
> they're dealing with.  I'm left with descriptions that are, I kid you
> not, as helpful as "the twisty plug with the bent part."  If somebody
> can't tell me if the receptacle is L6-15 or L5-15 I'm going to have a
> very difficult time sorting this all out and getting the appropriate
> wiring (re)done.
> So I'm wondering, has anybody found a good online resource (or a printed
> resource I can go pick up somewhere) that has illustrations of the
> different plugs and receptacles found in the wild?  It would help me
> greatly if I could just point somebody to a PDF online somewhere and say
> "Go to this website, find the receptacle that looks like what has been
> installed in your switch closet and read the number back to me."  I
> found one at and while it'll do in a pinch, it's sorta
> low-quality and I'd like something better.
> Off-list replies welcomed.
> -Fer
> Jason "Feren" Olsen      Senior Network Engineer     DeVry, Inc
> Em: jolsen at     Ph: 630-645-1607            One Tower Lane
> INOC-DBA: 19258*526      Fx: 630-389-2929            Oakbrook Terrace,
> IL 60181

Alex Rubenstein, AR97, K2AHR, alex at, latency, Al Reuben
Net Access Corporation, 800-NET-ME-36,

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