ESPS Oberon CSA Z462 1st to 2nd Edition Differences
Some key changes are: the term FR (Flame Resistant) is removed and we now refer to arc flash protective clothing and equipment as arc-rated or AR. The Arc Flash Protection Boundary is now the Arc Flash Boundary. DC Arc Flash & Shock Tables are NOW included and Annex D includes a formula for calculation. For Arc Flash Hazard Analysis the less than 240V, single transformer not greater than 125kVA in size requires no arc flash hazard analysis language has been removed, adding a reference to see the IEEE 1584 Standard for this information. This information is still included in the current edition of IEEE 1584.