Type UF-B cable is designed for direct earth burial. It is highly resistant to acids, alkalis, corrosive fumes, chemicals, lubricants, and ground water.
14/4 W/GRND NM-B 600V Solid White
Woods Southwire 63948421 25' 10/3 with ground Romex brand SIMpull residential indoor electrical wire type NM-B; Orange - Electrical Wires
Cerrowire 100 ft. 12/2 Gray Solid CerroMax Copper UF-B Cable with Ground Wire 138-1602CR-3 - The Home Depot
250-250-3/0 Pratt Triplex Aluminum Conductor Underground Direct Burial
6/3 UF-B Wire, Underground Feeder and Direct Earth Burial Cable (125ft)
Southwire 100 ft. 10/3 Solid Romex SIMpull CU NM-B W/G Wire 63948426 - The Home Depot
I believe this is a ground wire with no wire cover. Is this safe? : r/askanelectrician
12/2 UF-B x 75' Underground Feeder Cable : Patio, Lawn & Garden
Triplex Service Drop Cable
Discover the Versatility of 6/4 SOOW SO Portable Rubber Cord