BIS IS 14786 : 2000(R2015)

1 General
2 Service conditions
3 Requirements for components
4 Ratings
5 Design and construction
6 Type tests
7 Routine tests
8 Guide to the selection of prefabricated substations
   for service
9 Information to be given with enquiries, tenders and
   orders
10 Rules for transport, erection, operation and maintenance
Annexes
A - Method for testing the prefabricated substation under
    conditions of arcing due to an internal fault
B - Test to verify sound level of a prefabricated substation
C - Mechanical impact test
D - Ratings of transformers in an enclosure

Describes the service conditions, rated characteristics, general structural requirements and test methods of prefabricated substations, which are cable connected.