Is Cat5 Cable Suitable for Burial Underground?

Written by russell huebsch
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Is Cat5 Cable Suitable for Burial Underground?
You can bury Cat 5 cable. (blue red cat5 network cables together image by willem169 from

Cat 5 cables are highly common for connecting Ethernet networks and can transfer up to 1 gigabit per second, according to Webopedia. You can bury Cat 5 cable, but you may need special protection for it.

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You can lay Cat 5 cable underground, but it is unsafe to do so without a protective sheath over it. Some people, however, do run Cat 5 cable underground without any cover.


For added safety against the elements, some companies make Cat 5 cable specifically designed for underground burial, but expect to pay a premium for this cable.


Neither Cat 5 cable nor direct burial Cat 5 cable will protect your wiring from lightning strikes. Outdoor Ethernet networks require a surge protector for any type of cabling.

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