2.1.1 Efficient
                                 means, suitably located, shall be provided for protecting from excess
                                 of current every part of a system as may be necessary to prevent danger.
                              
                              
                              
                            
                           
                           
                           
                              
                              
                              2.1.2 Suitable
                                 arrangements for the protection of mechanically connected equipment
                                 due to the effects of electrical overloads shall be provided.
                              
                              
                              
                            
                           
                           
                           
                              
                              
                              2.1.3 Suitable
                                 arrangements for the protection of electrical equipment due to the
                                 effects of mechanical overloads shall be provided.
                              
                              
                              
                            
                           
                           
                           
                              
                              
                              2.1.4 Suitable
                                 protection arrangements for lightning strikes shall be provided.
                              
                              
                              
                            
                           
                           
                           
                              
                              
                              2.1.5 Personnel,
                                 equipment and platform are to be protected from the risk of static
                                 electricity.