John, believe it or not I have seen wood used in ITE equipment. Obviously
it wasn't the fire enclosure. The test that I would apply comes from the
old UL TV standards(UL1419,1410,1270 etc.) which actually have an HB test
for wood used as an enclosure. If I remember right, they use a special
tablet(about the size of a Tylenol) and ignite it when it is mounted on a
sample of the wood. The diameter of the burn mark is measured against the
limits in the standard.  After testing some wood samples we actually did
this to corrugated cardboard and it passed as well(pretty scary huh)



Please respond to John Juhasz <[email protected]>

To:   "'[email protected]'" <[email protected]>,
cc:   [email protected] (bcc: Steve Williams/SDD/NAM/APCC)
From: John Juhasz <[email protected]> on 01/26/2000 01:04 PM
Subject:  RE: Wood used inside ITE Equipment




Never saw wood in ITE equipment . . . other than in the 'Pirates of Silicon
Valley' movie. The
first Apple was built out of wood. I don't suppose we'd find too much of
that these days.

Seems to me that there should also be a spec for 'long term' enclosure
stability
based on 'termite resistance'!

Sorry . . . couldn't resist.

John Juhasz
Fiber Options

-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: Wednesday, January 26, 2000 9:31 AM
To: [email protected]
Cc: [email protected]
Subject: Wood used inside ITE Equipment



Dear All,

There is a UL 1950 "PAG" stating that hardwood or presswood of
"substantial" construction is accepted without flammability tests per Annex
A for products covered under UL1950.

The questions are:

1. What thickness is considered "substatntial"?

2. What other types of wood are considered acceptable without flammability
tests?

3. What do European Test Houses require from the flammability standpoint of
wooden enclosures or internal wooden materials?

Thanks



Peter Merguerian
Managing Director
Product Testing Division
I.T.L. (Product Testing) Ltd.
Hacharoshet 26, POB 211
Or Yehuda 60251, Israel

Tel: 972-3-5339022 Fax: 972-3-5339019
e-mail: [email protected]
website: http://www.itl.co.il






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Title: RE: Wood used inside ITE Equipment

Never saw wood in ITE equipment . . . other than in the 'Pirates of Silicon Valley' movie. The
first Apple was built out of wood. I don't suppose we'd find too much of that these days.

Seems to me that there should also be a spec for 'long term' enclosure stability
based on 'termite resistance'!

Sorry . . . couldn't resist.

John Juhasz
Fiber Options

-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: Wednesday, January 26, 2000 9:31 AM
To: [email protected]
Cc: [email protected]
Subject: Wood used inside ITE Equipment



Dear All,

There is a UL 1950 "PAG" stating that hardwood or presswood of
"substantial" construction is accepted without flammability tests per Annex
A for products covered under UL1950.

The questions are:

1. What thickness is considered "substatntial"?

2. What other types of wood are considered acceptable without flammability
tests?

3. What do European Test Houses require from the flammability standpoint of
wooden enclosures or internal wooden materials?

Thanks



Peter Merguerian
Managing Director
Product Testing Division
I.T.L. (Product Testing) Ltd.
Hacharoshet 26, POB 211
Or Yehuda 60251, Israel

Tel: 972-3-5339022 Fax: 972-3-5339019
e-mail: [email protected]
website: http://www.itl.co.il






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