extension lead BrE
extension cord AmE

We passed one back there, I saw the extension cord going out the door into the shed.

I just run me a long extension cord up over the house.

Of course, you can always use an extension cord if needed.

David brought down an extension cord and a floor lamp to help them see what they were doing.

"I won't tell you how many extension cords I'll be running off this thing."

"But I did find these extension cords, which might work."

I had been using a light from my room on an extension cord to show where to dig.

But she ran out again, straight to the same corner, and sat down on the end of an extension cord.

The term "extension cord" has been in use since at least 1946.

"How did he know where to find the extension cord?"