Delivery from £5.95 ex VAT FREE standard delivery £200+*
Trade Pricing for installers & resellers
Phone Support from real people

Do I have to use the large rear knockout for the cable?

No. Use the rear knockout if the cable is coming through the wall behind the box, or use one of the perimeter cutouts when the cable approaches along the wall. Pick the entry that gives the cable the easiest route.

Answered by
Dave
Practical Support · Data Cabinets Direct
Cable entry & routing 10 relevant products

More from Cable entry & routing

Explore related questions about cable entry & routing.

Where can I bring the cable into the backbox? What size is the rear cable-entry knockout?
Browse all Surface Backboxes help →

Products this answer covers

This answer applies to 10 products in the Surface Backbox White products range.

Asked about this product

Product image unavailable Original product context 21 mm Single-Gang White Surface Backbox SKU: DLX-C-BB21-SG-WH View product →

This answer also applies to

A selection of other products covered by the same answer.
Cat5e 1-Way Data Outlet Kit with Backbox Cat5e 1-Way Data Outlet Kit with Backbox SKU: DLX-Z-BBMFP-C5E-1-B View product → Cat5e 2-Way Data Outlet Kit with Backbox Cat5e 2-Way Data Outlet Kit with Backbox SKU: DLX-Z-BBMFP-C5E-2-B View product → Cat5e 3-Way Data Outlet Kit with Backbox Cat5e 3-Way Data Outlet Kit with Backbox SKU: DLX-Z-BBMFP-C5E-3-B View product → Cat5e 4-Way Data Outlet Kit with Backbox Cat5e 4-Way Data Outlet Kit with Backbox SKU: DLX-Z-BBMFP-C5E-4-B View product → Cat6 1-Way Data Outlet Kit with Backbox Cat6 1-Way Data Outlet Kit with Backbox SKU: DLX-Z-BBMFP-C6-1-B View product → Cat6 2-Way Data Outlet Kit with Backbox Cat6 2-Way Data Outlet Kit with Backbox SKU: DLX-Z-BBMFP-C6-2-B View product →