CSA C22.2 NO. 250.570:16 (R2020)
Track lighting
détails du produit
Preface
This is the first edition of CSA C22.2 No. 250.570, Track lighting, one of a series of Standards issued by CSA Group under Part II of the Canadian Electrical Code.
This Standard contains specific requirements for track lighting and is intended to be used together with the requirements for luminaires contained in CSA C22.2 No. 250.0.
For general information on the Standards of the Canadian Electrical Code, Part II, see the Preface of CAN/CSA-C22.2 No. 0.
This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.
Scope
1.1
This Standard applies to wall and ceiling-mounted track lighting systems, rated 347 V, 40 A max, incorporating incandescent, fluorescent, light emitting diodes and high-intensity discharge lighting sources, intended to be installed in non-hazardous, dry locations in accordance with the Canadian Electrical Code, Part I.
1.2
This Standard applies to plug- and cord-connected track lighting systems rated 120 V.
1.3
This Standard applies to permanently connected incandescent or LED lighting systems supported in free air, employing bare conductors. The power supply for supplying luminaire head assemblies may have one or more secondary output circuits each of which operates at up to 30 V rms or 42.4 V peak or dc, and less than 240 V•A.
1.4
This Standard applies also to extra-low-voltage suspended ceiling grid systems that operate at 30 V rms or 42.4 V peak, or less, connected to Class 2 power supplies.
1.5
This Standard is intended to be used in conjunction with the applicable clauses of CSA C22.2 No. 250.0 and its subsequent revisions.
1.6
Lighting tracks shall not be connected to a branch circuit protected by overcurrent devices rated or set at more than
a) 15 A in dwelling units;
b) 20 A in other than dwelling units, where the input voltage does not exceed 347 V nominal; or
c) 40 A in other than dwelling units, where the load is from
i) luminaires with lampholders of the incandescent mogul base type;
ii) high-intensity discharge (HID) luminaires, with or without auxiliary lighting systems, where the input voltage does not exceed 120 V nominal;
iii) tungsten halogen luminaires with double-ended lampholders, where the input voltage does not exceed 240 V nominal; or
iv) luminaires provided with an integral overcurrent device rated at not more than 15 A, where the input voltage does not exceed 120 V nominal.
1.7
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.
1.8
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 (non-mandatory) to define their application.
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