PH3.91, PH0.9, PH1.2, PH1.5, PH1.667, PH1.875, PH2, PH2.5, PH2.604, PH2.976, PH3, PH3.75, PH4, PH5.2, PH4.81, PH5, PH5.92, PH6, PH7.62, PH8, PH10, PH16
EN 62368-1:2014+A11:2017