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ASME A17.5 Document Information:
Title
Elevator and Escalator Electrical Equipment
ASME International
Publication Date:
Jan 1, 2004
Scope:
The requirements of this Standard apply to the following electrical
equipment for elevators,
escalators, moving walks, dumbwaiters, material lifts, and elevating
devices for persons with
physical disabilities (platform lifts and stairway chairlifts):
(a) motor controllers;
(b) motion controllers;
(c) operation controllers;
(d) operating devices; and
(e) all other electrical equipment not listed/certified and
labelled/marked according to another
product safety standard or code.
The equipment specified in this Standard is intended for installation
in accordance with the
Canadian Electrical Code, Part I (CSA C22.1) and the National
Electrical Code (NFPA 70), whichever
is applicable.
Note: Controllers, i.e., motion, motor, and operation controllers, are
defined in CSA B44 and ASME
A17.1.
The electrical equipment covered by this Standard is intended
(a) to be connected to supply circuits at a nominal system voltage of
600 V or less;
(b) for internal voltages that are not more than 1500 V; and
(c) for use in non-hazardous locations in accordance with the rules of
the applicable electrical
codes.
The object of this Standard is to reduce the risk of injury to persons
and damage to property from
fire and electrical shock by presenting requirements for the proper
design, the good construction,
and the high quality of work of the equipment listed in Clause 1.1.
This Standard does not apply to devices that are rated for connection
to extra-low-voltage Class 2
supply circuits as defined in the applicable electrical code.
Note: Extra-low-voltage circuits are circuits that have a voltage of
not more than 30 V rms or 42.4
V peak.
In CSA Standards, "shall" is used to express a requirement, i.e., a
provision that the user is
obliged to satisfy in order to comply with the standard; "should" is
used to express a
recommendation or that which is advised but not required; "may" is
used to express an option or
that which is permissible within the limits of the standard; and "can"
is used to express
possibility or capability. Notes accompanying clauses do not include
requirements or alternative
requirements; the purpose of a note accompanying a clause is to
separate from the text explanatory
or informative material. Notes to tables and figures are considered
part of the table or figure and
may be written as requirements. Annexes are designated normative
(mandatory) or informative
(non-mandatory) to define their application.
SI (metric) units are the primary units of measure in this Standard.
The yard/pound (imperial)
units in the text have been directly (soft) converted from the SI
units.
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