Do I really need direct burial wire and what is cmx rated mean? Well we can help answer those types of questions, We carry a full line of direct burial Ethernet cable. Be sure to get the right cable for the job you need when it comes to direct burial cable. If you need spool of CMXF rated gel filled cat5e waterproof network cable or 2,000 foot of shielded CMXT waterproof CAT6 chances are you’ve come to the right place and we have what you’re looking for. Don’t bury regular network cable, it’s just not made for that and will not last long under such tough conditions.