13 Feb
2002
13 Feb
'02
1:53 a.m.
-----Original Message-----
From: Robert Schaefer [mailto:rschaefe@gcfn.org]
told to me and emperical evidence agrees) that it is
the only
difference
between the various grades (ie spec & hospital) of devices.
IIRC, hospital grade receptacles must exert more pressure to prevent
sparks, which would be a bad thing to have around oxygen tanks.
Chris
Christopher Smith, Perl Developer
Amdocs - Champaign, IL
/usr/bin/perl -e '
print((~"\x95\xc4\xe3"^"Just Another Perl
Hacker.")."\x08!\n");
'
13 Feb
13 Feb
4:45 a.m.
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7:04 a.m.
told to me and
emperical evidence agrees) that it is the only
difference
between the various grades (ie spec & hospital) of devices.
IIRC, hospital grade receptacles must exert more pressure to prevent
sparks, which would be a bad thing to have around oxygen tanks. 
9:26 a.m.
On Wed, 13 Feb 2002, Mike Ford wrote:
Could be ground issues, I use hospital grade AC cords
and they have a
funny link in the ground wire as well and clear plastic so I can see
its status.
Hospital grade receptacles will almost always have a green dot on their
face somewhere. Many of the receptacles will also be red in color. You'll
also often see isolated ground receptacles in hospital applications, and
those are always bright orange.
-Toth
10:07 a.m.
----- Original Message -----
From: "Tothwolf" <tothwolf(a)concentric.net>
To: <classiccmp(a)classiccmp.org>
Sent: Wednesday, February 13, 2002 06:26 PM
Subject: RE: Hubbell twist-lock connectors
On Wed, 13 Feb 2002, Mike Ford wrote:
s/almost// The green dot is part of what makes it `Hospital Grade' (The
Code now specifies a Hospital Grade MC cable too-- can you guess the
difference between it and `regular' MC?) Red means a circuit on the Legally
Required Stand-by System (read `on the generator'). Isolated ground recpts
will have a green triangle on them, but are not necessarily orange in color,
all the ones in the upstairs of my house are white. If I tried to install
orange recpts anywhere but the basement/garage, my wife would have killed
me!
Could be ground issues, I use hospital grade AC
cords and they have a
funny link in the ground wire as well and clear plastic so I can see
its status.
Hospital grade receptacles will almost always have a green dot on their
face somewhere. Many of the receptacles will also be red in color. You'll
also often see isolated ground receptacles in hospital applications, and
those are always bright orange.
-Toth
Bob
11:12 a.m.
On Wed, 13 Feb 2002, Robert Schaefer wrote:
s/almost// The green dot is part of what makes it
`Hospital Grade'
(The Code now specifies a Hospital Grade MC cable too-- can you guess
the difference between it and `regular' MC?) Red means a circuit on
the Legally Required Stand-by System (read `on the generator').
I would hope that they would be on some sort of system that keeps the
voltage constant during the transfer from utility to generator power too.
Isolated ground recpts will have a green triangle on
them, but are not
necessarily orange in color, all the ones in the upstairs of my house
are white. If I tried to install orange recpts anywhere but the
basement/garage, my wife would have killed me!
I thought they had an orange triangle on them? Many of the ones I've seen
are that way. Maybe hospital grade isolated ground receptacles have a
green triangle on them instead of an orange one?
Why did you install isolated ground receptacles in your home? The only
real application for them is when you have a metallic raceway (conduit)
and want the ground return wire independent of that raceway. I haven't
seen conduit in too many homes yet ;)
-Toth
9:56 p.m.
----- Original Message -----
From: "Tothwolf" <tothwolf(a)concentric.net>
To: <classiccmp(a)classiccmp.org>
Sent: Wednesday, February 13, 2002 08:12 PM
Subject: Re: Hubbell twist-lock connectors
I'm 99% sure it has to have a green dot to be hospital grade, and I'm 90%
sure it has to be a green triangle on it to meet Code requirements. That
said, I've seen and installed more than one with an orange triangle on it.
Kinda like calling it a Centronics port, I guess. ;)
On Wed, 13 Feb 2002, Robert Schaefer wrote:
I don't know. I do know that the IV pumps are battery units, and only the
charger plugs in. I've spent too much time in Hospitals lately, I guess!
s/almost// The green dot is part of what makes it
`Hospital Grade'
(The Code now specifies a Hospital Grade MC cable too-- can you guess
the difference between it and `regular' MC?) Red means a circuit on
the Legally Required Stand-by System (read `on the generator').
I would hope that they would be on some sort of system that keeps the
voltage constant during the transfer from utility to generator power too. Isolated ground recpts will have a green triangle
on them, but are not
necessarily orange in color, all the ones in the upstairs of my house
are white. If I tried to install orange recpts anywhere but the
basement/garage, my wife would have killed me!
I thought they had an orange triangle on them? Many of the ones I've seen
are that way. Maybe hospital grade isolated ground receptacles have a
green triangle on them instead of an orange one?
Why did you install isolated ground receptacles in your home? The only
real application for them is when you have a metallic raceway (conduit)
and want the ground return wire independent of that raceway. I haven't
seen conduit in too many homes yet ;)
You haven't seen my house yet. FWIW, I'm in the middle of negotiations with
my boss about a 15KW nat. gas fired 480V 3P generator. I'm also thinking
about pricing a Technical Power transformer, to run some of my machines on.
What can I say? At least I'm not a burden on Society! ^_-
-Toth
Bob
14 Feb
14 Feb
9:39 a.m.
New subject: Huge old motor generators at UCI
All this power talk I thought I would mention that the surplus yard at UC
Irvine has a couple huge old motor generator sets, that I am guessing will
go for scrap value. Each motor, or generator part is about the size of
adog, so memory tells me maybe 25 kw.
1:27 p.m.
New subject: Huge old motor generators at UCI
All this power talk I thought I would mention that the
surplus yard at UC
Irvine has a couple huge old motor generator sets, that I am guessing will
go for scrap value. Each motor, or generator part is about the size of
adog, so memory tells me maybe 25 kw.
Interesting unit of measure to apply to a motor.
What else do you know about these MGs? 60 Hz? 400 Hz? DC?
Big MGs are fun, and there are actually a few types that I am looking for
(for old radios and interesting shipboard applications).
William Donzelli
aw288(a)osfn.org
10:16 p.m.
New subject: Huge old motor generators at UCI
All this power
talk I thought I would mention that the surplus yard at UC
Irvine has a couple huge old motor generator sets, that I am guessing will
go for scrap value. Each motor, or generator part is about the size of
adog, so memory tells me maybe 25 kw.
Interesting unit of measure to apply to a motor.
What else do you know about these MGs? 60 Hz? 400 Hz? DC?
8350
days inactive
8352
days old
9 comments
6 participants
participants (6)
-
ard＠p850ug1.demon.co.uk -
aw288＠osfn.org -
csmith＠amdocs.com -
mikeford＠socal.rr.com -
rschaefe＠gcfn.org -
tothwolf＠concentric.net