List of Symbol for a 11/.415KV Substation Single Line Diagram

Electrical Symbols for SLD interpretation:

It is very important to be familiar with the internationally accepted electrical symbols to interpret a 11/,.415KV Substation Single Line Diagram (SLD). 

Please read the blog for details 

What should need to inlcude in a Single Line Diagram (SLD)?

The below chart shows the most frequently used symbols.