CSA CAN/CSA-E491-94

Abstract

This standard applies to the following electronic flash apparatus for photographic purposes, having a stored energy not exceeding 2000 J, together with associated apparatus and not intended to be subjected to dripping or splashing: <br>-&#160;apparatus of the single-flash type which can have more than one flash head operating at the same time; <br>-&#160;apparatus for the illumination of sequential photographic exposures; <br>-&#160;battery chargers and supply units to be used in connection with electronic flash apparatus for photographic purposes. These auxiliary units may form a part of the mains plug; <br>-&#160;accessories, such as light regulators and slave units, specified in the instruction leaflet. <br>This standard does not apply to stroboscopes. <br>As long as no appropriate requirements exist for apparatus having a stored energy exceeding 2 000 J, this standard may be used, in so far as it is applicable. Additional requirements may be necessary, e.g. for explosion and thermal radiation. <br>With regard to the supply, the following categories are covered: <br>-&#160;mains-operated apparatus; <br>- battery-operated apparatus; <br>-&#160;apparatus having a combination of mains and battery supply. <br>This standard is intended to cover apparatus which can be used both in moderate and tropical climates. <br>For the modelling lamps combined with electronic flash apparatus for photographic purposes, additional requirements may be taken from I E C Publication 598-2-9: Luminaires, Section Nine &#8212; Photo and Film Luminaires (Non-professional), as far as applicable. <br>This standard does not apply to apparatus designed for a rated supply voltage exceeding 250 V (r.m.s.) against earth. <br>This standard is concerned with safety only and not with the other properties of the apparatus (see Clause 3).