| Standard International Trade Classification (SITC) - level 3 - Group | 773 | Equipment for distributing electricity, n.e.s. | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 77322 | Electrical insulators of glass | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 77323 | Electrical insulators of ceramics | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 77324 | Electrical insulators of materials other than glass or ceramics | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 77326 | Insulat.fittings for elect.mach.,appliances,equipment,of ceramic mat. | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 77328 | Insulat.fittings for elect.mach.,appliances,equipment,of plastic mat. | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 77329 | Insulat.fittings for elect.mach.,appliances,equipment,of other mater. |