supply,installation, testing and commissioning of single phase power supply socket box consistingof 4 numbers of single phase 230 v, 3 pin 20 amps capacity metal clad socket with 1 number of 20 amps, 10 kac curve double pole mcb and 1 number of 40 amps 30 ma, double pole rccb as incomer: 4 numbers of 10amps single pole 10ka c curve mcb as outgoing to socket control, 4 numbers of led type indication lamps foron indication, 1 number of connector for phase and neutral each, 1 number of 4 way earth link are assembledand pre-wired in metal box confirming to is:8623/iec:61439: the metal box should be of size 350 mm length x350 mm width x 100 mm depth made up of 16 gauge thickness, sheet steel (ms) powder coated with siemensgrey colour. the main wiring should be of 6.0 sq.mm. and the branch wiring should be of 4.0 sq.mm. multistranded isi marked copper wire. earth stud should be provided on either side of of the metal box. the boxshould be provided with necessary fixing arrangements, bolt, nut and washers. marking should be done in thefront side of the box as 230 v ac single phase supply in red colour.
