1.1 These requirements cover the fllowing elevator apliances intended tor insallation 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()();
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).
