NYA: Single core copper conductor, PVC insulated. Used for permanent installation in conduit exposed wiring in dry location. NYZ: Single core, flexible copper conductor, PVC insulated. Used for permanent installation in conduit exposed in certain conditions. NYAF: Single core, flexible copper conductor, PVC insulated. Used for permanent installation in conduit exposed in certain conditions. NYMHY-0 NYM: Multicores, flexible copper conductor, PVC insulated, PVC sheated. Used for indoor location, connection or portable appliance. NYY: Multicores, copper conductor, PVC insulated, PVC sheated, round or flat type. Used for permanent installation in conduit under plaster or exposed installation in dry location. NFA2x: Multicores, copper conductor, PVC insulated, PVC sheated, self-supporting aerial cable. Used for street and outdoor lighting site installations, traffic light installations and control cable for mountain railways and chair lifts.