Page 41 - IEC Insights Jan-Feb2019
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The electrical worker has to recognize the   floor there’s no electrical hazard. There   Merriam Webster defines risk as the
            electrical hazard and also know how to   are other hazards you have to think   possibility of loss or injury. NFPA 70E,
            create an electrically safe work condition.   about like getting cut on the box or   on the other hand, defines risk as
            The electrically safe work condition   dropping the package on your toe and   “a combination of the likelihood of
            exists when the state of the electrical   more but the electrical hazard is not   occurrence of injury or damage to health
            circuit parts have been disconnected   there because there is no energization   and the severity of injury or damage
            from energized parts, locked/tagged in   of the product. The electrical hazard   to health that results from a hazard.”
            accordance with established standards,   becomes real once that product is
            tested and verified to be absent of   installed and connected to a source   So 70E breaks risk into the combination
            voltage and if necessary temporarily   whether or not that source is turned   of these two components:
            grounded. When the proper steps are   on or kept off, the potential is there.  1.  “...likelihood of occurrence of
            taken, the hazard can be mitigated.                                    injury or damage to health...”

            In my opinion we have to separate the                                2.  “...severity of injury or
            hazard from the object. What I mean   RISK                             damage to health...”
            by that is that the exposed bus of a                                 You may not realize it but these two
            panelboard itself is not an electrical   On the other side of this coin we have   steps are taken a lot on a daily basis.
            hazard. When you take a new panelboard   the concept of risk. Here is where words   In my opinion we process risk in our
            or residential loadcenter out of the box   like possibility, chance, and likelihood are   subconscious where we identify the
            in your office and set it on the table or   used. In addition severity is considered.   hazards, the likelihood of getting injured




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