[Class : 37] Services Relating To Installation, Maintenance And Repair Of Uninterruptable Power Supply (Ups); Electric And Electronic Goods, Electrical Switches, Sockets, Regulators, Plug, Adaptors, Capacitors, Circuit Breakers, Invertors, Distribution Board And Fuses, Switchgears, Changeover, Isolators, Cut Outs And Busbar Chambers Being Services Included In Class 37