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This document is purchased as a PDF (Portable Document Format) and accessed via CSA OnDemand™, where you can view, navigate, and print it, or download it for offline use with Adobe Acrobat Viewer. This PDF contains Digital Rights Management protection and is intended for individual use. Please see Terms of Use for CSA’s copyright license and more information.
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This document is purchased as a PDF (Portable Document Format) and accessed via CSA OnDemand™, where you can view, navigate, and print it, or download it for offline use with Adobe Acrobat Viewer. This PDF contains Digital Rights Management protection and is intended for individual use. Please see Terms of Use for CSA’s copyright license and more information.
1.1 This Standard applies to encapsulated isolating transformers for use as a circuit continuity device intended to be installed in airport field lighting series circuits for use in nonhazardous locations, in accordance with the Canadian Electrical Code, Part I.
1.2 The transformer consists of primary and secondary coils that are wound upon a core, the assembly being enclosed in a waterproof case. The primary coil is connected into the series circuit and the secondary coil to the light fixture lead, by means of plug/receptacle connectors. The receptacle portion of the connector is provided with the transformer to mate with the plug portion on the series circuit and light fixture cables. The transformer receptacle portion may be either built into the transformer body or molded into the ends of transformer leads.
1.3 Transformers constructed to meet the requirements of this Standard are suitable for continuous outdoor service in ambient temperatures from a minimum of -55°C to a maximum of +65°C and for direct earth burial.
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