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C. Identify what safety devices is belng described. 11. Used to increase the safety from insulation, a second layer of insulation can be Installed, so that If one of the layers fails to properly insulate the circuit, the second layer will still be able to protect it. 12. It functions to break the circult when the current in the circuit exceeds the maximum value, and is no longer considered safe 13. Designed so that they can stop a current before it becomes harmful to a person. 14. Like circuit breakers in that they will break a circuit when it detects that it is too dangerous to operate. 15. It is used so that electric shocks can be avoided when people come into contact with an active wire that is in contact with the casing of any connected appliances​