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UL 268:2016 Smoke Detectors for Fire Alarm Systems(火灾报警系统的烟雾探测器)...
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UL 268:2016 Smoke Detectors for Fire Alarm Systems(火灾报警系统的烟雾探测器)-完整英文版(214页).pdf
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UL 268
ST
AND
ARD
FOR
SAFETY
Smoke Detectors for Fire Alarm
Systems
poorest
JULY 15, 2016 - UL 268
UL Standard f
or
Safety for Smoke Detectors f
or
Fi
re
Alarm Systems, UL 268
Seventh Editi
on
, Dated January
11
, 2016
Summary
of
Topics
The following revisions are being issued for the Seventh Edition
of
UL
268, the joint ULIULC
Binational Standard for Smoke Detectors for Fire Alarm Systems:
1.
New
Cooking Nuisance, Polyurethane Flaming and Smoldering Tests for the United
States Only
tr1
The new requirements are substantially in accordance with Proposal(s) on this subject
da
ted February 12,
2016 and June 3, 2016.
A
ll
rights reserved. No part of t
hi
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is"
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tr2
JU
LY
15,
2016 -
UL
268
No Text
on
This Page
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Prepared by:
ULC Standards
CAN/ULC-S529: 2016-REV2016
Fourth Edition
Underwriters Laboratories Inc
UL 268
Seventh Edition
Smoke Detectors for Fire Alarm Systems
January
11,
2016
(Title Page Reprinted: July
15,
2016)
ANSI/UL 268-2016
Approved
by
Standards
Council
of
Canada
Conseil
canadien
des
normes
•
•
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Commitment for Amendments
This Standard is issued jointly by Und
erw
riters L
aborator
i
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Inc. (UL) and ULC Standards.
Amendments to this Standard
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ly after process
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g according to the Standards writing
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ISSN 0317-526X
Copyright©
2016
ULC
Standards
A
ll
rights reserved.
No
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rt of this publication may be reproduced
in
any
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rm, in
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ctronic retrieval system or
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