No.  
                          of 
                          cores   | 
                        Nominal 
                          thick-ness  
                          of  
                          insula-tion  | 
                        Mini-mum 
                          thick-ness  
                          of  
                          Inner  
                          Sheath  | 
                        Galvan. Round Steel  
                          Wire Nominal Dia. 
                           
                           | 
                        Galvan. Flat  
                          Steel  
                          Wire  
                          Nominal Thick-ness | 
                        Nominal  
                          Sheath 
                          Thick-ness 
                          Unarm-oured   | 
                          Mini-mum  
                            Sheath  
                            Thick-ness  
                            Armou-red  | 
                        Unarm-oured  | 
                        Armou-red | 
                        Unarm-oured  | 
                        Armou-red | 
                        Max. DC Conduc-tor Resist-ance at 20o C                          | 
                        Direct  
                          in  
                          ground | 
                        In Ducts | 
                        In  
                          Air |