wiring a shed

How to wire a shed,Requires part P certification. The reason i say this is that there are websites that are providing guidance to the public on this type of work which is of course illegal unless it is certified by a competent person. These websites are telling the public how to do it wrongly and unsafely with no reference to RCD or RCBO and worse no reference to a competent person. No wonder so many people are INJURED & KILLED from faulty installations. It should be stopped!