The WCP-21 is a dual 2-size cable pass-through wall plate insert that accommodates a cable up to 12.5mm in diameter (via the large pass- through) as well as a cable up to 9mm in diameter (via the small pass-through).
The WCP-21 is a dual 2-size cable pass-through wall plate insert that accommodates a cable up to 12.5mm in diameter (via the large pass- through) as well as a cable up to 9mm in diameter (via the small pass-through).