to the 16th Edition IEE Regulations
   
   
   
 
 

chapter 5
Earthing

chapter 6
Circuits

Installation control and protection
  3.1 - Introduction 3.5 - High temperature protection
  3.2 - Switching 3.6 - Overload currents
  3.3 - Isolation 3.7 - Protection from faults
3.4 - Electric shock protection

3.8 - Short circuit and overload
------- protection
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3.8.1 -  Combined protection

In many practical applications, most types of fuses and circuit breakers are suitable for both overload and short circuit protection. Care must be taken, however, to ensure that the forms of protection are chosen so that they are properly co-ordinated to prevent problems related to excessive let-through of energy or to lack of discrimination {3.8.6}.

 

 

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Extracted from The Electricians Guide Fifth Edition
by John Whitfield
Published by EPA Press Click Here to order your Copy

Click here for list of abbreviations