The code of practice is applicable to fully enclosed electrical equipment which is designed to be filled with at least 5 litres of oil but which may have become contaminated with askarels. Guidance is given on the precautions necessary to avoid pollution of the environment and safety precautions to be taken.
BS EN 50225:1997 history
1997BS EN 50225:1997 Code of practice for the safe use of fully enclosed oil-filled electrical equipment which may be contaminated with PCBs