Amandaamisha.
if you are in kuwait and the installlation is is similar to the british wiring TT then the installation at origin should have an earth rod to take the fault current down to ground,
the MCCBs and RCDs should protect the appliances and cabling from over load/voltage
the standard way we wire our service from cutouts (service incomer from local PoCo)
the cutout feeds the distribution board via the electric companies meter,
within the cutout would be a fuse, or fuses dependent on whether it is single or three phase, a neutral connection and or a PME (protective multile earthing connection)
As you say yours is a TT system it should have an earth rod, (this should be connected directly to your distribution board together with all the main earth bonding connections.
if you need any other advice please feel free to post them her and we will try to help as there are electricians from all over the world here, and here to help.
John H
