UL 104:11ED 2016-02-26

Foreword
Introduction
1 Scope
2 General
3 Glossary
4 Operation
Construction
5 Assembly
6 Enclosure
7 Wiring terminals
8 Spacings
9 Insulating material
10 Mercury tube switches
11 Corrosion protection
12 Springs
Performance
13 General
14 Endurance test
15 Current interruption test
16 Moist atmosphere exposure test
17 Loss-of-lubricant test
18 Misalignment test
19 Dielectric voltage-withstand test
20 Force and movement test
Markings
21 General

This revision of ANSI/UL 104 dated November 17, 2020 is being issued to update the title page to reflect the most recent designation as a Reaffirmed American National Standard (ANS).

1.1 These requirements cover the following elevator appliances intended for installation and operation on horizontal and vertically opening hoistway doors and gates and car doors and gates in accordance with the requirements of the Safety Code for Elevators and Escalators, ASME A17.1: a)Hoistway-Door Interlocks (ASME A17.1/CSA B44, Clause 2.12.2), b)Hoistway-Door Electric Contacts c)Hoistway-Door Combination Mechanical Lock and Electric Contacts (ASME A17.1/CSA B44, Clause 2.12.3); d)Hoistway Gate Electric Contacts (ASME A17.1/CSA B44, Clause 2.12.2.4.4(c)(2)); e)Car Door Interlocks (ASME A17.1, Clause 2.14.4.2.2); f)Car Door Electric Contacts (ASME A17.1/CSA B44, Clause 2.14.4.2.3); and g)Car Gate Electric Contacts (ASMEA17.1/CSA B44, Clause 2.14.4.2.3).