HU361 as Combiner/Disconnect [RE-wrenches]

Jeff Clearwater clrwater at earthlink.net
Thu Jun 5 15:43:02 PDT 2003


<x-flowed>
Yes, of course.  Just looking to refine our methods with the least 
number of parts and to get Square D to upgrade to multiple wire 
ratings.  Until then any code approved combining method works - even 
split bolts for that matter.

Thanks,

jc

>Jeff, why don't you just use service taps to combine
>in the disco?
>
>  - Jerry
>
>--- Jeff Clearwater <clrwater at earthlink.net> wrote:
>>  Hi Matt,
>>
>>
>>  Yes I see your points.  I was trying to get away
>>  with only one line
>>  to the SB by combining a the HU361  but if each lug
>>  is rated for only
>>  one cu landing that won't work and it defeats what I
>>  was after.
>>
>>  But it strikes me as very odd that a PSSB breaker
>>  can be rated to two
>>  conductors/lug but not the nice big lugs on a HU361.
>>   Any chance of
>>  that rating changing?  John B?
>>
>>  Thanks,
>>
>>  Jeff C.
>>
>>
>>  >
>>  >1.  The Line (Array) is required to be landed on
>>  the top lugs of the
>>  >Disco. (Behind the arc-shield)
>>
>>  My drawing was electrical not orientation - but yes
>>  thanks for the
>>  reminder of using the shieded side correctly.
>>
>>  >
>>  >2.  The lugs are rated for single-conductor landing
>>  only.
>>  >
>>  >My recommendation, at least relating to the Disco
>>  at the Inverter, is to
>>  >run the two "switched hots" (from the bottom lugs)
>>  to the SB.  The SB
>>  >has 3 DC Input terminals for a reason.  This is it.
>>  >
>>  >Regarding the use of an HU361 at dual locations, I
>>  think you will find
>>  >you can easily run the extra pair between
>>  disconnects in the same
>>  >conduit you are already installing.
>>  >
>>  >Try it this way:
>>  >
>>  >ARRAY
>>  >
>>  >+ from String 1
>>  >            + from String 2
>>  >l         l
>>  >0   0   0
>>  >
>>  >      ROOF Disco
>>  >
>>  >0  0  0
>>  >l       l
>>  >l       l
>>  >l       l
>>  >+      + to 2nd Disco; Line 3
>>  >to 2nd Disco; Line 1
>>  >l       l
>>  >l       l ________ IN CONDUIT
>>  >l       l
>>  >
>>  >
>>  >+ from Roof Disco; Load 1
>>  >            + from Roof Disco; Load 3
>>  >l         l
>>  >0   0   0
>>  >
>>  >      INVERTER DISCO
>>  >
>>  >0  0  0
>>  >l       l
>>  >l       l
>>  >l       l
>>  >+      + to SB DC Input
>>  >to SB DC Input
>>  >
>>  >
>>  >Hope this helps...
>>  >
>>  >Pray for Sun and No Tanlines!
>>  >
>>  >Matt Lafferty
>>  >Universal Energies Institute
>>  >mlafferty at universalenergies.com
>>  >(916) 422-9772
>>  >(916) 628-7694 Cell
>>  >(916) 914-2247 Fax
>>  >www.universalenergies.com
>>  >
>>  >- - - -
>>  >To send a message: RE-wrenches at topica.com
>>  >
>>  >Archive of previous messages:
>>  http://www.topica.com/lists/RE-wrenches/
>>  >
>>  >List rules & etiquette:
>>  http://www.mrsharkey.com/wrenches/etiquete.htm
>>  >
>>  >Check out participant bios:
>>  www.mrsharkey.com/wrenches/index.html
>>  >
>>  >Hosted by Home Power magazine
>>  >
>>  >Moderator: michael.welch at homepower.com
>>
>>
>>  --
>>  ~~~~~~~~~~~~~
>>  Jeff Clearwater
>>  Village Power Design Associates
>>  Sustainable Energy & Water Solutions for Home &
>>  Village
>>
>>  877-SOLARVillage
>>  PO Box 115
>>  Boonville, CA 95415
>>
>>  61 Baker Rd
>>  Shutesbury, MA 01072
>>  413-256-6777, 413-825-0372 (Fax)
>>  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`~
>>
>>  - - - -
>>  To send a message: RE-wrenches at topica.com
>>
>>  Archive of previous messages:
>>  http://www.topica.com/lists/RE-wrenches/
>>
>>  List rules & etiquette:
>>  http://www.mrsharkey.com/wrenches/etiquete.htm
>>
>>  Check out participant bios:
>>  www.mrsharkey.com/wrenches/index.html
>>
>>  Hosted by Home Power magazine
>>
>>  Moderator: michael.welch at homepower.com
>>
>>
>
>
>__________________________________
>Do you Yahoo!?
>Yahoo! Calendar - Free online calendar with sync to Outlook(TM).
>http://calendar.yahoo.com
>
>- - - -
>To send a message: RE-wrenches at topica.com
>
>Archive of previous messages: http://www.topica.com/lists/RE-wrenches/
>
>List rules & etiquette: http://www.mrsharkey.com/wrenches/etiquete.htm
>
>Check out participant bios: www.mrsharkey.com/wrenches/index.html
>
>Hosted by Home Power magazine
>
>Moderator: michael.welch at homepower.com


-- 
~~~~~~~~~~~~~
Jeff Clearwater
Village Power Design Associates
Sustainable Energy & Water Solutions for Home & Village

877-SOLARVillage
PO Box 115
Boonville, CA 95415

61 Baker Rd
Shutesbury, MA 01072
413-256-6777, 413-825-0372 (Fax)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`~

- - - -
To send a message: RE-wrenches at topica.com

Archive of previous messages: http://www.topica.com/lists/RE-wrenches/

List rules & etiquette: http://www.mrsharkey.com/wrenches/etiquete.htm

Check out participant bios: www.mrsharkey.com/wrenches/index.html

Hosted by Home Power magazine

Moderator: michael.welch at homepower.com
==^================================================================
This email was sent to: michael_welch at sbcglobal.net

EASY UNSUBSCRIBE click here: http://topica.com/u/?bz8Qcs.bz9JC9.bWljaGFl
Or send an email to: RE-wrenches-unsubscribe at topica.com

TOPICA - Start your own email discussion group. FREE!
http://www.topica.com/partner/tag02/create/index2.html
==^================================================================

</x-flowed>



More information about the RE-wrenches mailing list