Ground fault [RE-wrenches]

[William Miller]

Friends:

Yesterday I remounted an old system I am revamping (Heart interface
inverter, yikes!).  I purchased some 20 gauge galvanized sheet metal and
mounted it over 3/4 CDX plywood.  I had to make a special trip to the steel
supplier and have it sheared to size.  Cost was about $70.  When installed,
it looked great.  I will be mounting a lug on it and bonding it.

Previously, I had used 3/4" ACX plywood.  I'd buy three or four sheets and
line them up in the shop and prime and paint with two coats of epoxy paint.
 This was time consuming and expensive.  I believe the sheet metal is a
good exchange, economically.  If it is safer, then the decision is sound.

William 



At 05:35 PM 11/14/02 -0700, you wrote:
>
>----- Original Message ----- From: "Christopher Freitas -
> > Mounting all power electronics on a fire-proof surface is always a good
>> idea IMHO.
>
>Agreed! And we have certainly broken that good idea many times. We have used
>plywood as a substrate panel for shop preassembly of small systems, and we
>often mount to plywood or similar when we do upgrades to existing systems,
>such as a SB50 upgrade. It's just so darn easy to mount to. Outback panels
>(or previously, Power Panels) with steel backplates are a good approach for
>large, new systems, but I would sure like to know what other Wrenches have
>found to take the place of plywood, or for fire protection as per this
>thread, on existing systems.
>Allan @+E
>

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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	VMail: 805-546-4875
email: wrmiller at slonet.org
http://millerpowerandcomm.com
License No. C-10-773985
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