This document is applicable to insulated bushings, excluding those plug-in bushings specified byEN 50180 series, for use in air insulated, shroud insulated and fully insulated cable boxes for liquid filledtransformers and reactors for rated voltages up to 36 kV, and rated currents up to 4 000 A at frequencies from15 Hz to 60 Hz.All current amendments available at time of purchase are included with the purchase of this document.