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Standard 268, Edition 7

Smoke Detectors for Fire Alarm Systems

UL CSDS Proposal
Standard 268, Edition 7 Edition Date: May 27, 2016
Summary of Topics b0268_7_20160527_sum.html

Subject

Bulletin Dated: May 27, 2016

SUMMARY OF TOPICS

The following changes in requirements to the Standard for Smoke Detectors for Fire Alarm Systems, UL 268, are being proposed for preliminary review and comment only:

1. For Preliminary Review Only: Nuisance Sensor Requirements

2. For Preliminary Review Only: Go/No-Go Field Test (for the smoke sensor)

3. For Preliminary Review Only: IRLED Light Degradation Determination

4. For Preliminary Review Only: Alarm Silence Requirements

5. For Preliminary Review Only: Additional Stability Tests for Multi-Criteria Smoke Detectors Employing CO Gas Sensors

6. For Preliminary Review Only: Audibility Test for Battery Operated Smoke Detectors

7. For Preliminary Review Only: Rated v Nominal Voltage Terminology

8. For Preliminary Review Only: IR Calculation

9. For Preliminary Review Only: Mechanical Push Test for Push-Type Features

10. For Preliminary Review Only: Firmware Update Requirements

Back to Standard 268, Edition 7

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