Ambient Condition:
• Altitude:≤1000-3000m
•Ambient temperature:no more than 40°C and no less than -30°C(no less than -40°C in alpina areas )
•Wind speed:≤34m/s
•Earthquake intensity:≤8 degree
•Air pollution :IV
•Ice thickness:≤100mm
•the installation location shall be free from flammable ,explosive dangerous articies,chemical corrosion and flerce vibration
•The pollution grade of post insulator :o for general type and 2 for pollution resistance type
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