Smurf Tube

Top Definition

Electrical nonmetallic tubing for fiber optic cable. Though it was originally blue, it now comes in a variety of colors, typically orange.

Ex.

"Can you run down to the gang box and get me a roll of Smurf?"

2

Electrical Non-metallic Tubing. Originally it was blue and was called smurf because ENT and EMT sound too similar.