1. Implementation Standard: MT818.14-1999
2. Cable Models and Names:
MHYV — Polyethylene insulated, PVC sheathed communications cable for coal mines;
MHYAV — Polyethylene insulated, aluminum-polyethylene bonded sheathed, PVC sheathed communications cable for coal mines;
MHYA32 — Polyethylene insulated, aluminum-polyethylene bonded sheathed, steel wire armored, PVC sheathed communications cable for coal mines.
3. Product Applications:
MHYV — For use in horizontal and inclined tunnels, as well as in electromechanical chambers.
MHYAV — For use in relatively humid inclined shafts or horizontal tunnels.
MHYA32 — For use in inclined shafts or vertical shafts.
