A power strip/power bar used to increase the number of available outlets so multiple devices can be plugged in.
部屋のコンセントが足りないので、電源タップを買った。
I bought a power strip because there weren't enough outlets in the room.
テレビやパソコンは電源タップではなく、直接コンセントに差した方が安全だ。
For TVs and computers, it's safer to plug them directly into the wall outlet rather than into a power strip.
出張先で電源タップのプラグ形状が合わず困った。
I had trouble on a business trip because the plug shape of the power strip didn't match.