CABLES

1) What are the type of cable?

a) PVC-Polyvinyl Chloride
b) XLPE-Cross Linked Polyethylene
c) MICC-Mineral Insulated copper conductor
d) PILC-Paper Insulated Lead Covered
e) LC-Lead Covered
f) SAW-Stranded Wire Armoured 

2) What are the different size of cables?
    0.75,1.5,2.5,4,6,10,16,25,35,50,70,95,120,150,185,240,300,400,600(Dimensions in Sq.mm)

3) If the current is 15A what will be the size of the cable?
    6Sq.mm or 10Sq.mm

4) MICC cable is used for what purpose?What mineral used for this cable?
    1) Used for fire alarm and lighting circuit with out conduits.
    2) Magnesium Oxide

5) How to Check the cable fault?
    1) Isolate the cable
    2) Megger the cable
    3) Trace the cable fault through cable fault locator and cable route through route locator.
    4) If the cable resistance his high use the burning kit.

6) What is PILC,Where it is used,why lead cover is used?
    PILC -Paper insulated lead covered cable.It is used for chemical Plant and refinery.lead cover is used to avoid chemical corrosion of cable.

7) Why cable glands are used?
     Cable Glands are used to give mechanical protection of cable against damages of cables during entering in MCC or Junction Box.It also give earth continuity of cable armour and equipment body.