CAN/CSA-C22.2 NO. 60950-1-07 (R2012)
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PREFACEThis is the common CSA and UL Standard for Information Technology Equipment - Safety - Part 1: General Requirements. It is the second edition of CAN/CSA-C22.2 No. 60950-1 and the second edition of UL 60950-1. This standard is based on IEC 60950-1, second edition.
Previous editions of this Standard were designated CAN/CSA-C22.2 No. 950/UL 1950 and CAN/CSA-C22.2 No. 60950/UL 60950, third edition. This standard CAN/CSA-C22.2 No. 60950-1/UL 60950-1, second edition, replaces the previous standard CAN/CSA-C22.2 No. 60950-1/UL 60950-1, first edition. The standard number and edition number have been aligned to correspond with the equivalent IEC 60950-1 standard.
1. Scope1.1.1 Equipment covered by this standard
This standard is applicable to mains-powered or battery-powered information technology equipment, including electrical business equipment and associated equipment, with a RATED VOLTAGE not exceeding 600 V and designed to be installed in accordance with the Canadian Electrical Code, Part I, CSA C22.1-02; General Requirements - Canadian Electrical Code, Part II, CSA C22.2 No. 0-M91; the National Electrical Code, NFPA 70-2005; and the National Electrical Safety Code, IEEE C2-2002.
The standard is also applicable to equipment, unless otherwise identified by a marking or instructions, designed to be installed in accordance with Article 645 of the National Electrical Code, NFPA 70, and the Standard for the Protection of Information Technology Equipment, NFPA 75-2003.
See Annex NAE for examples of and references to regulatory requirements that apply to this equipment.
This standard is also applicable to such information technology equipment: - designed for use as telecommunication terminal equipment and TELECOMMUNICATION NETWORK infrastructure equipment, regardless of the source of power; - designed and intended to be connected directly to, or used as infrastructure equipment in, a CABLE DISTRIBUTION SYSTEM, regardless of the source of power; - designed to use the AC MAINS SUPPLY as a communication transmission medium (see Clause 6, Note 4 and 7.1, Note 4).
This standard is also applicable to components and subassemblies intended for incorporation in information technology equipment. It is not expected that such components and subassemblies comply with every aspect of the standard, provided that the complete information technology equipment, incorporating such components and subassemblies, does comply.
NOTE 1 Examples of aspects with which uninstalled components and subassemblies may not comply include the marking of the power rating and access to hazardous parts.
NOTE 2 This standard may be applied to the electronic parts of equipment even if that equipment does not wholly fall within its Scope, such as large-scale air conditioning systems, fire detection systems and fire extinguishing systems. Different requirements may be necessary for some applications.
This standard specifies requirements intended to reduce risks of fire, electric shock or injury for the OPERATOR and layman who may come into contact with the equipment and, where specifically stated, for a SERVICE PERSON.
GST REG No R119441681
QST REG No R1006017360