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This Technical Information Letter (T.I.L.) documents the CSA Certification requirements for equipment which contains an ultraviolet radiation source. The American Conference of Governmental Industrial Hygienists (ACGIH) has specified guidelines for exposure to UV light in their publication entitled "Threshold Limit Values and Biological Exposure Indexes". CSA has adopted the recommended…

This Technical Information Letter (TIL) has been prepared to announce CSA's early adoption of approved requirements for rigid polyvinylchloride (PVC) pressure pipe, PVC injection-moulded gasketed pressure fittings, and molecularly oriented polyvinylchloride (PVCO) pressure pipe.

This Technical Information Letter (T.I.L.) contains construction and test requirements for control devices rated more than 1500 V but not more than 7200 V, for starting, stopping, regulating, controlling, or protecting electric motors, and intended to be installed and used in nonhazardous locations in accordance with the Rules of the Canadian Electric Code, Part I.