Henan Cable, YJV low voltage:
Requirements for use
Operating temperature: Rated operating temperature of the conductor 90℃
Conductor short-circuit temperature: Do not exceed 250℃ at high temperature, not exceeding 5 seconds for a long time.
Installation laying temperature: Cable installation laying temperature not lower than 0℃
Laying in the air: Ambient temperature 40℃
Laying in the soil: Ambient temperature 25℃
Installation and use
Selection method: The rated voltage of the cable is represented by U0/U(Um): U0 is the rated AC voltage between the conductor designed for grounding or metal shielding, U is the rated AC voltage between the conductors designed for the cable, and Um is the maximum value of the high system voltage that the equipment can withstand.
Henan State Grid Cable, Henan Cable Manufacturer.