John Wiles & 600 VDC switches [RE-wrenches]

[William Miller]

John:

I am not sure why I would need to use a wire nut rated for outdoors inside
of a disconnect switch.  If I use one of the Siemens 600 VDC rated
disconnects outside, I use one rate for 3R (HNF361R).  The wire nut splice
is always inside an enclosure.  The manufacture lists the wire nuts for 600
volts.  Upon reading your reply, I searched the code for any reference as
to why I would need outdoor rated wire nuts in an aprorpiate enclosure and
found none.  This should be a code compliant use.

Mystified.......


William Miller

PS:  If I do make a connection outside and not in a 3R or better enclosure,
I avoid electrical tape.  This has proven to trap moisture inside.  We use
a gel or sealant filled connector rated for such use.  In
telecommunications, we use a shrink tubing with a heat activated gel lining.

WM




At 07:30 AM 2/14/2003 -0800, you wrote:
>William:
>
>Wire nuts have been given a bad rap by some but they meet Code >>IF<<
>you to use the ones rated for outdoor use (filled with Goop).  Most
>people forget this part and this will lead to corrosion of the
>connection in time.  
>Just to be sure I like to tape them with a high quality electrical tape
>after making the connection
>
>If you have any questions or if I may be of any further assistance,
>please do not hesitate to contact me.
>
>Best Regards,
>
>John Berdner
>
>SMA America, Inc.
>12438-C Loma Rica Road
>Grass Valley, CA  95945
>530.273.4595 - Tel
>530.274.7271 - Fax
>
>
>-----Original Message-----
>From: William Miller [mailto:wrmiller at slonet.org] 
>Sent: Thursday, February 13, 2003 11:54 PM
>To: RE-wrenches at topica.com
>Subject: RE: John Wiles & 600 VDC switches [RE-wrenches]
>
>At 05:04 PM 2/12/2003 -0800, you wrote:
>
>>Putting two wires under a single lug is generally not allowed unless
>the
>>manufacturer has tested that this condition is acceptable. Most
>>jurisdictions will outright fail an installation if they see two wires
>under
>>a lug. Providing documentation for that is critical if you don't want
>to be
>>failed. If two wires are not allowed, then the wires must be combined
>before
>>they are landed on the lug with an appropriate multiple lug.
>>
>>Bill.
>>
>>
>
>Bill:
>
>I have been using the Siemens HNF361.  I was using a Square D
>distribution
>block to combine strings, when necessary.  After a while, it seemed like
>over-kill.  I am now putting the two string leads from the roof under a
>wire nut with a pig tail.  Does this seem OK to you?  The connectors are
>rated for 600V (does not specify AC or DC).  Connector is rated for 3
>#10
>stranded copper wires.
>
>http://multimedia.mmm.com/mws/mediawebserver.dyn?ddddddNLXpsdyHedrHedddh
>3vPz
>a3WQH-
>
>
>Thanks for commenting.
>
>William
>
>
>
>
>
>__________________________________________________________________
>William Miller
>Miller Power and Communications
>PO Box 50, Santa Margarita, CA 93453
>Voice :805-438-5600     Fax: 805-438-4607	
>email: wrmiller at slonet.org
>http://millerpowerandcomm.com
>License No. C-10-773985
>_____________________________________________________________
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__________________________________________________________________
William Miller
Miller Power and Communications
PO Box 50, Santa Margarita, CA 93453
Voice :805-438-5600     Fax: 805-438-4607	
email: wrmiller at slonet.org
http://millerpowerandcomm.com
License No. C-10-773985
_____________________________________________________________
Compatibility:
Word processor: WP10
Spreadsheet: Quatro Pro 10
CAD: Microstation 95, DXF, Visio 4.1T
_____________________________________________________________
"Every decent man is ashamed of the government he lives under."
                                    H. L. Mencken
__________________________________________________________________

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