CAN/CSA-E335-2-35-94

1. Scope This clause of Part 1 is applicable except as follows: 1.1 Replacement: This standard applies to electrical instantaneous water heaters intended for heating water to a temperture below its boiling point. NOTES 1 Heating elements incorporated in instantaneous water heaters may be sheathed or bare. 2 Instantaneous water heaters not intended for normal household use, but which nevertheless may be a source of danger to the public, such as water heaters intended to be used in shops, in light industry and on farms, are within the scope of this standard. 3 This standard does not take into account the special hazards which exist in nurseries and other places where there are young children or aged or infirm persons without supervision; in such cases, additional requirements may be necessary. 4 This standard does not apply to : - instantaneous water heaters designed exlusively for industrial purposes; - instantaneous water heaters intended to be used in locations where special conditions prevail, such as the presence of a corrosive or explosive atmosphere (dust, vapour or gas); - instantaneous wather heaters of the electrode type; - storage water heaters (IEC 335-3-21). 5 For instantaneous water heaters intended to be used in vehicles or on board ships or aircraft, additional requirements may be necessary. 6 For instantaneous water heaters intended to be used in tropical countries, special requirements may be necessary. 7 Attention is drawn to the fact that in many countries additional requirements are specified by the national authorities responsible for health and water supplies, and for the protection of labour.