防腐电工产品标志 Mark of anti-corrosive electrical products
环境条件
Environment conditions 适用环境类别和标志 Applicable environment group and mark
0类(轻腐蚀环境)
Group 0 ( light corrosive
environment ) 1类(中等腐蚀环境)
Group 1 ( middlecorrosive
environment ) 2类(强腐蚀环境)
Group 2 ( strong corrosive
environment )
户内 Indoor
F1 F2
户外 Outdoor W WF1 WF2