procurement of welding receptacles at chp area ,bktps , receptacle,welding,63a,5pin,w/ rccb/elcb single outlet, wall mounting with decontactors (3p+n+e), cable gland entry additional data: bill of material of each welding socket 1. one ms box with suitable paint & ip 65 protection of minimum size-600(h)*350(l)*200(b) mm & thickness- 20 swg/0.711mm. 2. one abb /siemens make 63a rccb sensitive to 30 ma leakage current. 3. one 5 pin (3 p+n+e) welding plug & socket set of reputed make # jai balaji with ip 67 protection 4. 100a cu bus bar connection is to be provided for the connection of 2 * 95sq mm cable 5. all internal wiring should be done by 25 sqmm cu wire or above of suitable colour for ryb phases & neutral (black ) & earth (green). 6. all boxes should be painted with antirust coating. 7. two nos earthing strip provision must be there. 8. three nos indication lamp for phase indication.