1.1.1 Provide
                                 sufficient electrical power to supply the required services and habitability
                                 requirements during all operational conditions without recourse to
                                 the emergency electrical supply.
                              
                              
                              
                            
                           
                           
                           
                              
                              
                              1.1.2 Provide
                                 sufficient electrical power to services essential for safety during
                                 foreseeable abnormal and emergency conditions.
                              
                              
                              
                            
                           
                           
                           
                              
                              
                              1.1.3 Provide
                                 transitional power supplies where no interruption of the electrical
                                 supply to services essential for safety is required.
                              
                              
                              
                            
                           
                           
                           
                              
                              
                              1.1.4 Provide
                                 sufficient stored electrical energy to supply the services essential
                                 for safety during foreseeable abnormal and emergency conditions.
                              
                              
                              
                            
                           
                           
                           
                              
                              
                              1.1.5 Provide
                                 sufficient electrical power for the purpose of emergency radio communications
                                 independent of the main and emergency (where provided) sources of
                                 electrical power.