Plug space heaters into a wall outlet, not an extension cord
Added
When you use a portable electric space heater this winter, plug it directly into a wall outlet. Do not use an extension cord or power strip. Keep the heater at least three feet from drapes, furniture and bedding, and turn it off when you leave the room or go to sleep.
The result
Result: CPSC: plug electric space heaters directly into a wall outlet—never into an extension cord or power strip; portable heaters were involved in an average of about 1,600 fires per year with about 70 deaths annually (2020–2022).
Source
CPSC: Keep Warm and Safe This Winter (Jan. 23, 2026) (opens the original source in a new tab). Check it for the latest numbers before you act.