Portable space heaters are a potential fire hazard if not used correctly!
All space heaters must be approved by the Underwriters Laboratory (UL)
or Factory Mutual laboratories. If you are using a portable space heater
remember to never plug the space heater into an extension cord (plug the
heater directly into a wall receptacle). Here are some other tips for
safe operation of a space heater:
Do not place the heater into an enclosed space (such as under a desk).
Do not leave a space heater unattended.
Keep portable space heaters away from exit ways, walkways and paths of travel.
Do not use heaters around water sources (such as kitchens and bathrooms).
Do not use the space heater if the portable space heater if children will
be playing in the area.