UL 768
Standard for Combination Locks

DETAILS
Edition Number:8SCC Approved:--
Edition Date:2006-01-06DOD Approved: 1976-04-05
Price Code:BANSI Approved: 2013-07-10
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover combination locks intended for attachment on doors of safes, chests, vaults, and the like, to provide a means of locking the boltwork against unauthorized opening.

    1.2 These requirements are intended to test the ability of combination locks to resist unauthorized opening of the combination locks by sense of sight, touch, or hearing. Combination locks covered by these requirements may or may not have integral protection against entry by force.

  • TABLE OF CONTENTS
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    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 General
            • 2.1 Components
            • 2.2 Units of measurement
            • 2.3 Undated references
          • 3 Classification
          • 4 Glossary
        • CONSTRUCTION
          • 5 General
          • 6 Nonmetallic Parts
          • 7 Corrosion Protection
        • PERFORMANCE
          • 8 General
          • 9 Operation Test
          • 10 Resistance to Unauthorized Opening
            • 10.1 Group 1
            • 10.2 Group 1R
            • 10.3 Group 2M
            • 10.4 Group 2
            • 10.5 All classes
          • 11 Endurance Test
          • 12 Salt Spray Corrosion Test
          • 13 Tests of Polymeric Material
            • 13.1 Strength
            • 13.2 Aging-stress distortion
            • 13.3 Moisture absorption
          • 14 Vibration Test
        • MARKING
          • 15 General