Interim Energy Efficiency Verification Requirements for Heat/Energy Recovery Ventilators
This Technical Information Letter (T.I.L.) has been prepared to amend the calculation periods for low temperature ventilation performance and low temperature thermal performance tests from 12 hours to 60 hours described in CAN/CSA C439-09 (reaffirmed 2014). This is done in order to harmonize with Canadian Energy Star program requirements for HRVs version 2.0 developed by Natural Resources of…
Interim Requirements for Pressurized Gas Insulated Switchgear
1.1 This Technical Information Letter contains construction, marking and test requirements for pressurized gas insulated switchgear and shall be used in conjunction with CSA Standard C22.2 No. 31.
1.2 These requirements apply to metal clad, metal enclosed and cubicle switchgear containing pressurized gas as an insulating medium between adjacent phases, phase to ground, phase to enclosure or line…
Component Acceptance Requirements for Supplemental Fuses
This Technical Information Letter is applicable to supplemental fuses intended for supplementary overcurrent protection of electrical and electronic equipment.
