CSA C22.2 NO. 290-15

Abstract

This Standard applies to photovoltaic combiners rated up to 2000 V dc or 750 V ac, for use on photovoltaic (PV) systems installed in nonhazardous locations in accordance with the <em>Canadian Electrical Code, Part I.</em> <br>Combiners for use in photovoltaic systems that are ungrounded, positive grounded, and/or negative grounded are within the scope of this Standard. <br>This Standard does not cover panelboards, switchgear assemblies, and switchboards as covered by CSA C22.2 No. 29, CSA C22.2 No. 31, and CSA C22.2 No. 244. <br>In this Standard, &#8220;shall&#8221; is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; &#8220;should&#8221; is used to express a recommendation or that which is advised but not required; and &#8220;may&#8221; is used to express an option or that which is permissible within the limits of the Standard. <br>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. <br>Notes to tables and figures are considered part of the table or figure and may be written as requirements. <br>Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.