Translation guide
A power strip is a device with multiple electrical sockets that plugs into a single outlet. In Japanese, the most common term is 電源タップ, but other expressions exist depending on context.
The learner wants to refer to a power strip in everyday conversation.
電源タップ emphasizes multiple outlets, while 延長コード emphasizes the extension of the cord. If the device has only one outlet at the end of a long cord, it's an 延長コード, not a 電源タップ. However, many Japanese people use 延長コード loosely for power strips with cords.
The most common and widely understood term for a power strip. Suitable for most situations.
I need to buy a power strip; there aren't enough outlets.
Literally 'table tap', this is also common, especially for power strips placed on desks or tables. Often used interchangeably with 電源タップ.
I use a power strip to connect the computer and printer.
Technically an extension cord, but often used to refer to a power strip with a long cord. If the cord is the main feature, this is appropriate.
With an extension cord, you can get power from a distant outlet.
Stands for 'Office Automation tap'. Used specifically for office equipment. Somewhat dated.
OA taps are often used in offices.