The Cross-section area of Bus bar shall be same as Phase Bus bar (Up to 200A) for higher Capacity Neutral Bus bar must be not less than half cross section areas of Phase Bus bar.īus bar shall be suitably installed with PVC sleeve/Tap.īus bar Chamber shall be fabricated with MS angle for Frame work and sheet steel of thickness not less than 1.5mm. PVC Box IS:5133(PartII) thickness not less than 2mm,Clear depth of PVC Boxes not less than 60mm.Ĭonduits shall be fixed by saddles not less than 60cm interval but in case of coupler/Bends in either side of saddles, The saddle shall be fitted 15 cm from fitting.ĭepth of Junction Box shall be min 65mm as per IS: 2667. This will be increased as per mounting of Fan regulatorĬonduits shall be fixed by saddles not less than 1mt interval but in case of coupler/Bends in either side of saddles, The saddle shall be fitted 30 cm from fitting. Above This size 1.6mm(16guage)thick MS Boxes shall be used.Ĭlear depth of Out less Box shall not be less than 60mm. Wall thickness shall not be less than 1.2mm (18 gauge) for Boxes up to size 20cmX30cm. Saddle for surface conduit work on wall shall not less than 0.55mm(24 gauge) for conduit up to 25mm Dia not less than 0.9mm (20 gauge) for larger Dia No steel conduit less than 20 mm Diameter shall be used.įor rigid Conduit IS:2509/IS:3419 and For Flexible Conduit IS:6946.Īll Metallic conduit accessories shall be threaded type (Not pin grip, clamp grip) Shall be used for Industrial wiring, Heavy mechanical Stress, shall be ISI marked, The Thickness shall not be less than 1.6mm(16SWG) for conduits up to 32mm Dia and not less than 2mm (14SWG) for conduit above 32mm Dia. This pipe shall be exposed on wall at height of not less than 4 mt. If the distance with adjustment building is more than 3 mt and there is any Road interval than GI pipe of suitable size shall be installed. This pipe shall be exposed on wall at height of not less than 2.5 mt. If the distance with adjustment building is less than 3 mt and there is no any Road interval than GI pipe of suitable size shall be installed. Switch Box or Regular Box shall be mounted normally 1.25 mt from floor level.įor Fan Hook in concrete roof 12mm dia MS Rod in ‘U’ Shape, horizontally Leg at Top at least 19 cm on either side.Ĭonnection between adjustment Building (Out House, Garages) No fuse Body shall be mounted within 2.5 com edge of D.B or PanelĬlearance between 2.5 cm is maintained between opposite polarity If there may be bare connection at back of Switch Board than space behind S/W shall be either less than 20cm or more than 75cm Operating Rod/Handle of Distribution Board at the height of min 2mtĬlear Distance in front of Switch Board/D.B shall be min 1 mt. =For Bathroom not Socket is provided in bathroom MCB/IC will be 2.1 mt from fixed appliance and at least 1 mt away from Shower In Residential wiring ,wiring of Socket outlet shall be done by copper Cable onlyįor Lighting Circuit Smallest size of conductor shall be 1.5 Sq.mmįor Power Circuit Smallest size of conductor shall be 4 Sq.mmĥA/6A or 15A/16A Socket shall be installed at following heights: =For Non Residential building 23cm above floor Per Circuit Not more than 10 Points of Lighting or Total 800Watt which is lessįor Residential Per Circuit Less than 2 No of 5A/15A Plug Socketįor Non Residential Per Circuit Less than 1 No of 5A/15A Plug Socket