What's this pipe the motor wire is running through?

[kalabdel]

Good morning,

Curious what the function is of this piece of steel pipe that a motor wire run through. The same thing is installed in the encoder box with the encoder wire running through it.

Cheers
Kal

 

[tragically1969]

Good morning,

Curious what the function is of this piece of steel pipe that a motor wire run through. The same thing is installed in the encoder box with the encoder wire running through it.

Cheers
Kal

Ferrite choke:

https://en.wikipedia.org/wiki/Ferrite_bead

 

[kalabdel]

Ferrite choke:

https://en.wikipedia.org/wiki/Ferrite_bead

Fantastic, thanks tragically1969.