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UL 437

8th Edition, October 24, 2017

Complete Document

UL Standard for Safety Key Locks

Includes all amendments and changes through Revision Page(s) , October 24, 2017

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Product Details:

  • Revision: 8th Edition, October 24, 2017
  • Published Date: October 24, 2017
  • Status: Active, Most Current
  • Document Language: English
  • Published By: UL (UL)
  • Page Count: 21
  • ANSI Approved: Yes
  • DoD Adopted: Yes

Description / Abstract:

These requirements cover key locks categorized as follows and defined in Glossary, Section 3:

a) Cabinet locking cylinders,

b) Door locks,

c) Locking cylinders,

d) Security container key locks, Type 1 and Type 2, and

e) Two-key locks.

 A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements in this standard, and that involves a risk of fire or of electric shock or injury to persons shall be evaluated using appropriate additional component and end-product requirements to maintain the level of safety as originally anticipated by the intent of this standard. A product whose features, characteristics, components, materials, or systems conflict with specific requirements or provisions of this standard does not comply with this standard. Revision of requirements shall be proposed and adopted in conformance with the methods employed for development, revision, and implementation of this standard.