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Yes, twist lock. The devices in question are UPSs, and are 2880va, 120v
units. And it may be confirmation bias, but 2880va/120v = 24a, which is
80% of 30a, the standard derating. So I'm inclined to believe they are
L5-30, especially since one unused one in the rail of 10 outlets is
(local guy was able to unplug an unused unit). Does that make sense or
am I thinking wishfully here (I have an order ready to go for mew ones
with L5-30 plugs, just waitng for the outlet specs).
jim
On 2025-04-09 16:15, DAVID MASSEY wrote:
> Are these the TwistLock variety? If so many of them look very similar
> but have subtle differences making them incompatible with other styles.
> This is to make a 120V/20 amp different from a 220V20 amp so as to
> avoid the possibility of plugging a 120V device into a 220V circuit.
> Or a 120V 30A device into a 20A circuit.
>
> You might be able to determine what styles you need from the nameplate
> ratings on the powered device. In other words is it a 120V or a 220V
> device? Of course if it dual voltage device it may be ambiguous.
>
> Dave
>
> On Wednesday, April 9, 2025 at 10:03:22 AM CDT, Jim Franklin
> <jamesf@groupwbench.org> wrote:
>
> I'm dealing with a bunch of Schroedinger's outlets here. All the
> outlets are in use so I can't unplug them to look at the NEMA marking,
> but I need to replace the devices plugged in, which can be ordered with
> various plug types. Is there a way to tell from the outside what type I
> have? It's round, which narrows it down to a few...
>
> Thanks,
> Jim
> _______________________________________________
>
> Shop-talk@autox.team.net
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; charset=
=3DUTF-8" /></head><body style=3D'font-size: 10pt; font-family: Verdana,Gen=
eva,sans-serif'>
<p id=3D"reply-intro">Yes, twist lock. The devices in question are UPSs, an=
d are 2880va, 120v units. And it may be confirmation bias, but 2880va/120v =
=3D 24a, which is 80% of 30a, the standard derating. So I'm inclined to bel=
ieve they are L5-30, especially since one unused one in the rail of 10 outl=
ets is (local guy was able to unplug an unused unit). Does that make sense =
or am I thinking wishfully here (I have an order ready to go for mew ones w=
ith L5-30 plugs, just waitng for the outlet specs).</p>
<p>jim</p>
<p>On 2025-04-09 16:15, DAVID MASSEY wrote:</p>
<blockquote type=3D"cite" style=3D"padding: 0 0.4em; border-left: #1010ff 2=
px solid; margin: 0">
<div id=3D"replybody1">
<div>
<div class=3D"v1ydp88081861yahoo-style-wrap" style=3D"font-family: Arial, H=
elvetica, sans-serif; font-size: 16px;">
<div>
<div dir=3D"ltr">Are these the TwistLock variety? If so many of them =
look very similar but have subtle differences making them incompatible with=
other styles. This is to make a 120V/20 amp different from a 220V20 =
amp so as to avoid the possibility of plugging a 120V device into a 220V ci=
rcuit. Or a 120V 30A device into a 20A circuit.</div>
<div dir=3D"ltr"> </div>
<div dir=3D"ltr">You might be able to determine what styles you need from t=
he nameplate ratings on the powered device. In other words is it a 12=
0V or a 220V device? Of course if it dual voltage device it may be am=
biguous.</div>
<div> </div>
<div class=3D"v1ydp88081861signature">
<div style=3D"color: black; font-style: normal; font-size-adjust: none; fon=
t-weight: normal; font-stretch: normal; font-size: 12pt; line-height: norma=
l; font-family: Arial, Helvetica, sans-serif;">
<div style=3D"color: black; font-style: normal; font-size-adjust: none; fon=
t-weight: normal; font-stretch: normal; font-size: 12pt; line-height: norma=
l; font-family: Arial, Helvetica, sans-serif;">
<div><span style=3D"font-size: large;">Dave <br /></span></div>
<div><span style=3D"font-size: 10.0pt; font-family: sans-serif; color: blac=
k;"> </span></div>
</div>
</div>
</div>
</div>
<div> </div>
<div> </div>
</div>
<div id=3D"v1ydpb4963a08yahoo_quoted_4683615947" class=3D"v1ydpb4963a08yaho=
o_quoted">
<div class=3D"v1ydpb4963a08yahoo-style-wrap" style=3D"font-family: Arial, H=
elvetica, sans-serif; font-size: 16px;">
<div style=3D"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; =
font-size: 13px; color: #26282a;">
<div class=3D"v1ydpb4963a08quoted-text-header">On Wednesday, April 9, 2025 =
at 10:03:22 AM CDT, Jim Franklin <jamesf@groupwbench.org> wrote:</div>
</div>
<div class=3D"v1ydpb4963a08inline_reply_quote_container" style=3D"font-fami=
ly: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 13px; color:=
#26282a; border-left: 1px solid #ccc; padding-left: 8px; margin: 0px 0px 0=
px 8px;">
<div> </div>
<div> </div>
<div>
<div dir=3D"ltr">I'm dealing with a bunch of Schroedinger's outlets here. A=
ll the outlets are in use so I can't unplug them to look at the NEMA markin=
g, but I need to replace the devices plugged in, which can be ordered with =
various plug types. Is there a way to tell from the outside what type I hav=
e? It's round, which narrows it down to a few...</div>
<div dir=3D"ltr"> </div>
<div dir=3D"ltr">Thanks,</div>
<div dir=3D"ltr">Jim</div>
<div dir=3D"ltr">_______________________________________________</div>
<div dir=3D"ltr"> </div>
<div dir=3D"ltr"><a href=3D"mailto:Shop-talk@autox.team.net"; rel=3D"norefer=
rer">Shop-talk@autox.team.net</a></div>
<div dir=3D"ltr">Donate: <a href=3D"http://www.team.net/donate.html"; target=
=3D"_blank" rel=3D"noopener noreferrer">http://www.team.net/donate.html</a>=
</div>
<div dir=3D"ltr">Suggested annual donation $12.96</div>
<div dir=3D"ltr">Archive: <a href=3D"http://www.team.net/pipermail/shop-tal=
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<div dir=3D"ltr"> </div>
<div dir=3D"ltr">Unsubscribe/Manage: <a href=3D"http://autox.team.net/mailm=
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com</a></div>
<div dir=3D"ltr"> </div>
</div>
</div>
</div>
</div>
</div>
</div>
</blockquote>
<p><br /></p>
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