NEN EN 50216-4 : 2015

1 Scope
2 Normative references
3 Definitions
4 Thermometer pockets to be used for liquid immersed transformers
  4.1 General
  4.2 Dimensions of thermometer pockets
5 Earth terminals to be used for liquids immersed and dry-type
  transformers
  5.1 General
  5.2 Dimensions of different earth terminals
6 Draining plug to be used for liquid immersed distribution
  transformers
  6.1 General
  6.2 Dimensions of different devices
7 Filling openings to be used for liquid immersed distribution
  transformers
  7.1 General
  7.2 Dimensions
8 Wheel assembly, choice and distance between centres to be used
  for liquid immersed and dry-type distribution transformers
  8.1 General
  8.2 Requirements

Defines basic accessories of transformers/reactors, such as: - Thermometer pockets, to be used for liquid immersed transformers, - Earth terminals, to be used for liquid immersed and dry-type transformers, - Draining plugs, to be used for liquid immersed distribution transformers, - Filling openings, to be used for liquid immersed distribution transformers, and - Rollers, choice and distance to be used for liquid immersed and dry-type transformers.