Designation  | 
                      Dignal  | 
                      Description  | 
                    
                     
                      1.mounting 
                        hole | 
                       | 
                       | 
                    
                     
                      | 2.type | 
                       | 
                      
                           
                            | flat head  | 
                           
                           
                            | long head  | 
                           
                           
                            | mushroom head  | 
                           
                           
                            | long head(alternate)  | 
                           
                           
                            | push-lock | 
                           
                           
                            | twin-touch | 
                           
                          | 
                    
                     
                      | 3.voltage | 
                       | 
                      
                           
                            | 110VAC(neon、LED bulb) | 
                           
                           
                            | 220VAC(neon、LED bulb) | 
                           
                           
                            | 380VAC(neon bulb) | 
                           
                           
                            | 440VAC(neon bulb) | 
                           
                           
                            | 6VAC/DC(incandescen 、LEDbulb) | 
                           
                           
                            | 18VAC/DC(incandescent) | 
                           
                           
                            | 24VAC/DC(6VAC/DC (incandescen、LEDbulb) | 
                           
                           
                            | 30VAC/DC(6VAC/DC (incandescen、LEDbulb)) | 
                           
                           
                            | 12VAC/DC(6VAC/DC (incandescen、LEDbulb)) | 
                           
                          | 
                    
                     
                      | 4.lens color  | 
                       | 
                      
                           
                            | red | 
                           
                           
                            | green | 
                           
                           
                            | orange | 
                           
                           
                            | white | 
                           
                           
                            | blue | 
                           
                           
                            | yellow green  | 
                           
                          | 
                    
                     
                      | 5,lamp | 
                       | 
                      
                           
                            | incandescent | 
                           
                           
                            | neon bulb  | 
                           
                           
                            | LED bulb | 
                           
                          | 
                    
                     
                      | 6.NO.of contacts fitted | 
                       | 
                       | 
                    
                     
                      6.type of contact 
                        block fitted  | 
                       | 
                       | 
                    
                     
                      | 7.lettering | 
                      01゛41  | 
                      see G20 |