Keep any tool adjustment keys taped to the cord near the plug. This will remind you to unplug the tool, as well as keep you from losing the key. Be sure your tools are properly grounded. Unless a tool is double insulated, it should be plugged into a three hole grounded outlet Watch cord placement so it does not interfere with the tool's operation. Never use a power tool in wet or damp conditions, no matter how well grounded.
Moisture readily conducts electricity.
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