read the instructions first
Attachments:
![](https://hi-static.z-dn.net/files/d3d/1103c9becda0bd5aa468244ab92beecc.jpg)
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Step-by-step explanation:
1) Extension Box:-
Extension sockets are built in an extension box, which makes use of electricity in our homes, offices and various other places cinvinient.
Condition:-
Its not working
Defective part:
Body of the box is damaged internally.
2)Tester:-
The test light is the best tool for checking power supply whether it is present or in the given tool
Condition :-.
Working good
3)Electrical wire:-
The connecting electrical wire from the switch board and the ceiling fan to flow power
Condition:-
Not working
Defective part:-
The wire is damaged at its end
4)Switches :-
The on /off switches give the power supply when we switch on
Condition:-
Partially working
Defective part:-
They are broken externally
5) Power Bank:-
It is used for charging the phones
Condition:-
working
Defective part :-
Partially damaged
Attachments:
![](https://hi-static.z-dn.net/files/d14/bb519cd81b11b4fbc7e3f354703abb1b.jpg)
![](https://hi-static.z-dn.net/files/d8e/43182b9587da1ed7cfce0216b30cad62.jpg)
![](https://hi-static.z-dn.net/files/dca/d79cadc7d9557a34693404cd9bb5f44c.jpg)
![](https://hi-static.z-dn.net/files/d5e/2b552a316adc6ee2783b8ee8e8ff51aa.jpg)
![](https://hi-static.z-dn.net/files/d17/632149208699d7ec3d5026bb6e492c11.jpg)
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