![Electric oil heater plug inserted into extension cord on a brown floor. White oil-filled radiator for home and office. House heating and comfort. Stock Photo | Adobe Stock Electric oil heater plug inserted into extension cord on a brown floor. White oil-filled radiator for home and office. House heating and comfort. Stock Photo | Adobe Stock](https://as1.ftcdn.net/v2/jpg/03/00/98/14/1000_F_300981481_EDeGT1DsghwItAYEGl3EpP8nSVVIYcbd.jpg)
Electric oil heater plug inserted into extension cord on a brown floor. White oil-filled radiator for home and office. House heating and comfort. Stock Photo | Adobe Stock
![Don't plug battery backups into extension cords. Don't plug space heaters into battery backups. NEVER DO BOTH. : r/techsupportgore Don't plug battery backups into extension cords. Don't plug space heaters into battery backups. NEVER DO BOTH. : r/techsupportgore](https://preview.redd.it/e2ieov74y7u71.jpg?width=640&crop=smart&auto=webp&s=303b7a373fd6a36f0f02e8b99605b1bcfd5985e2)
Don't plug battery backups into extension cords. Don't plug space heaters into battery backups. NEVER DO BOTH. : r/techsupportgore
Milan Area Firefighters - DO NOT plug space or room heaters into ANY extension cord. These units must be plugged in to the outlet directly. Also keep these heaters at least 3
![San José Fire Dept. on X: "Using a space heater this chilly winter? Remember: plug space heaters directly into wall outlets. Don't use an extension cord or power strip as they are San José Fire Dept. on X: "Using a space heater this chilly winter? Remember: plug space heaters directly into wall outlets. Don't use an extension cord or power strip as they are](https://pbs.twimg.com/media/GDf5AGfbMAIXjHs.png)
San José Fire Dept. on X: "Using a space heater this chilly winter? Remember: plug space heaters directly into wall outlets. Don't use an extension cord or power strip as they are
Electrical Safety Foundation - Remember never to use an extension cord or a power strip to run a heater or a fan as it could cause cords to overheat and result in
Northport Fire Rescue - #HeatingSafety - Planning on using a portable space heater?? Follow this simple rule: Never use an extension cord or power strip with space heaters, plug the unit directly
![Pete Piringer on X: ".@mcfrs FFs want you to know - Space heaters & power strips don't mix! Space heaters require a great deal of electricity to generate heat. ALWAYS plug space Pete Piringer on X: ".@mcfrs FFs want you to know - Space heaters & power strips don't mix! Space heaters require a great deal of electricity to generate heat. ALWAYS plug space](https://pbs.twimg.com/media/DznONEfWsAAWnlW.jpg)
Pete Piringer on X: ".@mcfrs FFs want you to know - Space heaters & power strips don't mix! Space heaters require a great deal of electricity to generate heat. ALWAYS plug space
![Never Plug a Space Heater into a Power Strip | The Hills Insurance Agency, Inc in Carver, Massachusetts Never Plug a Space Heater into a Power Strip | The Hills Insurance Agency, Inc in Carver, Massachusetts](https://www.hillsia.com/images/news/56925/15758/large/extension.jpg)