Y cable is the abbreviation for mobile rubber sheathed flexible cable used in coal mines. M represents coal mines, Y represents mobile flexible cables, and MY cables are used for power connection of underground mobile mining equipment. The voltage level is 0.38/0.66KV. Production standard MT818.5-2009. UYPTJ (MYPTJ) -3.6/6 Mining Mobile Shielded Monitoring Rubber Sheath Soft Cable 25, 35, 50GB12972.6-91 Underground Mobile Transformers and Similar Equipment Connection Line (MYP) UYP-0.38/0.66 Mining Mobile Shielded Rubber Sheath Soft Cable Rated Voltage 0.38/0.66KV Power Connection for Various Underground Mobile Mining Equipment