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June 2000

DesignerCouncil@IPC.ORG

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DesignerCouncil <[log in to unmask]>
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Date:
Tue, 6 Jun 2000 08:37:21 -0500
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"DesignerCouncil E-Mail Forum." <[log in to unmask]>, Leonard Toohey <[log in to unmask]>
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From:
Leonard Toohey <[log in to unmask]>
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At 09:42 AM 6/5/00 -0500, you wrote:
>Mark,
>
>Creepage and clearance is dependent on the type of equipment you are
>designing and the correct UL spec must be used.  UL840 is a start.
>Conductor thickness will determine current carying capability and can be
>found in IPC-2221.  Check out Doug Brook's calculator
>http://www.eskimo.com/~ultra/
>
>John Laur
>Rockwell Automation /Allen-Bradley
>Milwaukee, WI
>
>
>
>
>Mark Mainland <[log in to unmask]>@IPC.ORG> on 06/05/2000 08:29:07 AM
>
>Please respond to "DesignerCouncil E-Mail Forum."
>      <[log in to unmask]>; Please respond to Mark Mainland
>      <[log in to unmask]>
>
>Sent by:  DesignerCouncil <[log in to unmask]>
>
>
>To:   [log in to unmask]
>cc:
>Subject:  [DC] UL spec.'s
>
>
>Can anyone tell me which UL spec covers trace spacing and conductor
>thickness for printed circuit boards.
>
>Thanks
>
>
>Mark Mainland
>PCB Designer
>Cherry Electrical Products
>11200 - 88th Ave.
>PO Box 581913
>Pleasant Prairie, WI 53158
>Ph. 262.942.6659
>Page. 888.819.0198
>Fx. 262-942-6334
>

Greetings,

I will be away from my e-mail for a few days.
please contact:
[log in to unmask] for any pcb design issues
[log in to unmask] for any other issues

Thanks,



Leonard Toohey
CAD Applications Engineer
Cisco Systems, Inc.
12515 Reasearch Blvd.
Building 4
Austin, Texas 78759-2220
512 378-1227 (direct)
512-378-1251 (fax)
[log in to unmask]

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