Is wire safe that hanging outside the wall?

                                                             
Did you see those wires hanging outside your wall at your house. Do you ever think that is dangerous or not. This kind of wire hanging outside the wall is for add extra electrical accessories or future installation. You make sure that hanging out wire is safe,Let's find out!!

1) Check the presence of electricity

If you not sure that wire is running electricity,use test pen,test lamp,or voltage detector to check the presence of electricity. If these tools indicate light or sound,there is electricity and do not touch the wire.

2) Shut down the electrical supply for certain wire.

Once you make sure the wire is conduct electricity, you should turn off the supply that carry electrical current for that wire.

3) You are Safe now and Insulate the wire.

 After you turn off the supply,What now you are safe now. Wait. Not safe enough folks. You have to insulate the wire with electrical tape or electrical cap