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Copper cable

CAT5E vs CAT6: What installers should know

2026-01-29 - 5 min read

A practical look at when CAT5E is enough and when CAT6 is the better choice.

Overview

CAT5E remains useful for many everyday network points, but CAT6 is often preferred for newer installs and cleaner performance margins.

Consider distance, cable pathway, shielding needs and the devices being connected.

For outdoor routes, make sure the cable jacket is suitable for UV exposure and the installation method.

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