This code describes methods of preparing steel surfaces to which protective coatings are to be subsequently applied. Mill scale, welding scale, rust and some other foreign materials are removed by chemical reaction, or by electrolysis, or by both.
A method of temperature-rise assessment by extrapolation for partially type-test assemblies (PTTA) of low-voltage switchgear and controlgear (IEC 60890, Ed. 1.0 (1987) MOD)
