Choose the correct answer
 
1. Mention any two safety devices that are generally used in household electric circuits and appliances. 
 
a.
  
b.
  
2. What safety measure should be taken at home to avoid overloading of electric wiring?
 
The precautions that should be taken to prevent the overloading of domestic circuits are as follows:
 
a.  should be used.
 
b should be used.
 
c too many electrical appliances at the same point.
 
d too many electrical appliances at the same time.