Important cable sizes

1)  6A , MCB  -  1 mm cu/pvc/pvc

2) 10A - 1.5 mm cu/pvc/pvc

3) 20A -  2.5 mm cu/pvc/pvc  + 2.5 pvc/cu(E)

4) 32A - 6 mm cu/pvc/pvc + 6 pvc/cu(E)

5) 40A - 10 mm cu/pvc/pvc  + 10 pvc/cu(E)

6) 63A - 16 mm cu/xlpe /pvc + 16 pvc/cu(E)

7) 100A - 25 mm cu/xlpe/pvc + 16 pvc/cu(E)

8) 125A - 35 mm cu/xlpe /pvc + 16 pvc/cu(E)

9) 160A - 50 cu/xlpe /pvc  + 25 pvc/cu(E)

10) 250A - 95 cu/xlpe/pvc + 50 mm pvc/cu(E)

11) 400A - 185 cu/xlpe /pvc + 95 mm pvc/cu(E)

CONDUITING

                                              CONDUITING 

Types of conduits are using in construction industry :

1) uPVC  conduits

2) PVC conduits

3)GI Conduits

4)  LSZH conduits

Conduits and Accessories(GI)  available in marcket :

1)Conduits

2) Terminal box - 1 way

3) Angle box- 2 way

4) Through box - 2 way

5) Tee box - 3 way

6) Intersection box - 4 way

7) Branch two way box

8) Branch 3 - way box

9) Twin through box

10) Coupling

11) Reducer

12) Adaptable box

13)Flexible conduit

Important facts when laying of conduits  : 

1)  Conduits should be bind to structure by 1m to 1m .

2) Open ended conduits will be protected by plastic or metal caps .

3) Draw cable must for long length Conduits

4) No T - Bends  ; Use floor boxes

5) Long bends instead of T joints & Elbows

6) No diagonal conduits

7) U shape conduits are not permitted

8) No elbows or T joints

9) No any conduit installation work shall be allowed to run under the cement screed .

10) Conduit set through walls shall not be permitted .

11) Flexible upvc conduit through expansion joints

12) As per design drawings cables from different circuits are not permitted to install in same conduit .

13) The Conduit will be adequately fixed to prevent excessive movement damage during the pouring & setting of concrete and will be protected from mechanical damage .

14) Conduit shall be place inside rebars whenever possible .