Polarized plugs are safer for use. Do not attempt to plug in a three pin plug into a board with two pin sockets. Cutting off the grounding pin is a dangerous thing to do and could lead to electrical shock. Also do not force plugs into sockets if they don’t fit.
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If an extension cord feels hot to the touch and shows signs of damage, discard it immediately because touching exposed strands can shock or burn you. It can also burn any inflammable material in contact with it.
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Always make sure the extension cord you purchase has been approved by the independent testing laboratory like Underwriters Laboratories (UL), ETL-SEMKO or Canadian Standards Association. Following these extension cord safety tips can do much to prevent electrical fires at home.
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