ul-104.10

Elevator Door Locking Devices and Contacts

UL 104

1 Scope

1.1 These requirements cover the following elevator appliances intended for installation and operation in accordance with the requirements of the Safety Code for Elevators and Escalators, ASME A17.1:

a)    Hoistway-Door Interlocks,

b)    Hoistway-Door Combination Mechanical Lock and Electrical Contacts, and

c)    Hoistway-Door and Car-Door or Gate Electrical Contacts.


1.1 revised July 3, 2002

1.1.1 These requirements are intended to supplement and be used in conjunction with the Safety Code for Elevators and Escalators, ASME A17.1.

1.1.1 revised July 3, 2002

1.2 These requirements do not cover elevator appliances rated more than 600 volts.

1.3 Deleted July 3, 2002

UL 104 does not reference any other UL Standards.

Table of Contents for UL 104.