Scope
1.1
This Standard applies to solid-state lighting controls rated at 600 V and less, with or without an integral switching (disconnecting) device, designed to be used in circuits
(a) for the control of incandescent lamps; and
(b) for the control of fluorescent, HID, ballasted, and similar lamps intended for installation in accordance with the Rules of the Canadian Electrical Code, Part I. 1.2
This Standard applies to controls intended for
(a) use in installations as a flush-mounted device;
(b) use in installations as a surface-mounted device;
(c) use as a table-mounted unit to which portable luminaires can be temporarily connected;
(d) use in installations or devices where controls form, or are part of, a whole system;
(e) installation in a lamp holder;
(f) permanent installation in the supply line of a lamp;
(g) direct plug-in devices; or
(h) other similar applications. 1.3
This Standard does not apply to variable resistor and variable transformer-type controls. 1.4
The values given in SI units are the units of record for the purposes of this Standard. The values given in parentheses are for information and comparison only. 1.5
In this Standard, "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; and "may" is used to express an option or that which is permissible within the limits of the standard.
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 (nonmandatory) to define their application.