Excellent suggestion by Elizabeth. Fair-Rite is a leading ferrite manufacturer. I suspect that one of their "Round Cable Snap-Its" would be suitable, chosen to fit the particular cable diameter. Hopefully one of the distributors they list, such as Mouser, Newark, or Arrow, sells them in small quantities.
This Fair-Rite paper will tell you more than you will want to know about these things.
Happy holidays!
-- Al
This Fair-Rite paper will tell you more than you will want to know about these things.
Happy holidays!
-- Al