Browse & Buy UL Standards
Standard 268A, Edition 4

Smoke Detectors for Duct Application

UL Standard
Standard 268A, Edition 4 Edition Date: December 11, 2008 ANSI Approved: August 18, 2020 $505.00-$1,258.00

Revisions and Related Documents

Revisions
Red Line Std. (6)

Date      
August 18, 2020 Redline Revision
August 12, 2016 Redline Revision
October 02, 2014 Revision
September 25, 2009 Revision
Showing 10 of XX
Show All

CSDS
Proposals (6)

CSDS Proposal   

CSDS Proposals

An electronic document associated with a UL Standard for Safety or Outline of Investigation, and issued by UL to propose:

  • A revision of a single or multiple requirement(s).
  • A complete new edition of an existing Standard or Outline.
  • A new Standard or Outline that has not previously been published.

CSDS Proposals provide access to view the proposal and submit comments within UL's Collaborative Standards Development System (CSDS) appropriately.

×

Summary of Topics (SOT)
May 29, 2020 N/A
April 24, 2020 N/A
July 01, 2016 View
January 21, 2016 View
August 01, 2014 View
May 08, 2009 View
Showing 10 of XX
Show All

UL LLC CRD (0)

Showing 10 of XX
Show All None available.
Showing 10 of XX
Show All

Other Updates (2)

Showing 10 of XX
Show All
Bulletin   

Bulletins

These bulletins are not used in CSDS. These are announcement and report type bulletins.

×
Summary of Topics (SOT)
April 23, 2014 View
April 23, 2009 View
Showing 10 of XX
Show All
Showing 10 of XX
Show All
Showing 10 of XX
Show All
Showing 10 of XX
Show All

Referenced Standards (31)

Below is a list of UL Standards referenced in UL 268A

StandardEditionTitle
20 14 General-Use Snap Switches
44 19 Thermoset-Insulated Wires and Cables
62 20 Flexible Cords and Cables
73 10 Standard for Motor-Operated Appliances
83 16 Standard for Thermoplastic-Insulated Wires and Cables
94 6 Tests for Flammability of Plastic Materials for Parts in Devices and Appliances
217 9 Standard for Smoke Alarms
224 7 Extruded Insulating Tubing
228 5 Standard for Door Closers-Holders, With or Without Integral Smoke Detectors
268 7 Smoke Detectors for Fire Alarm Systems
310 9 Standard for Electrical Quick-Connect Terminals
486E 5 Standard for Equipment Wiring Terminals for Use with Aluminum and/or Copper Conductors
510 10 ANSI/CAN/UL Standard for Polyvinyl Chloride, Polyethylene, and Rubber Insulating Tape
796 11 Standard for Printed-Wiring Boards
864 10 Standard for Control Units and Accessories for Fire Alarm Systems
1059 5 Standard for Terminal Blocks
1439 5 Standard for Tests for Sharpness of Edges on Equipment
1730 4 Standard for Smoke Detector Monitors and Accessories for Individual Living Units of Multifamily Residences and Hotel/Motel Rooms
2111 1 Standard for Overheating Protection for Motors
4248-1 2 Fuseholders - Part 1: General Requirements
4248-4 1 Fuseholders - Part 4: Class CC
4248-5 1 Fuseholders - Part 5: Class G
4248-6 2 Fuseholders - Part 6: Class H
4248-8 2 Fuseholders - Part 8: Class J
4248-9 1 Fuseholders - Part 9: Class K
5085-1 1 Low Voltage Transformers - Part 1: General Requirements
5085-2 1 Low Voltage Transformers - Part 2: General Purpose Transformers
4248-11 1 Fuseholders - Part 11: Type C (Edison Base) and Type S Plug Fuse
4248-12 2 Fuseholders - Part 12: Class R
4248-15 1 Fuseholders - Part 15: Class T
486A-486B 3 Standard for Wire Connectors
Showing 10 of XX
Show All

Reverse Referenced Standards (2)

UL 268A is referenced in the following list of UL Standards

The cost to purchase this Standard varies depending on whether you are ordering a hardcopy, PDF or combination of the two. We also offer two different types of subscriptions: a one year and a three year.

You will be able to choose your purchase options on the following pages.

×
×
×
×
×

You have one or more subscriptions that will expire soon.

×

You have one or more licenses to assign

×