Why Two Transformers aside shoud be supperated by concreted
wall?

Answer Posted / tom hanks

Any two transformers in a plant/substation are always
seperated by a concrete wall known as BLAST WALL, (Blast
walls are generally 1000mm+ bigger the size of larger
transformer) It is protect the healthy transformer from
fire, incase the other one is on fire due to short-
circuit/oil leakage etc.

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