20 Oct 89
The outdoor application of high-fire-point filled
transformers will comply with MIL-HDBK-1008, "Fire Protection For
Facilities Engineering Design and Construction," "National
Electrical Safety Code" (ANSI-C2), and pertinent EPA regulations.
reasonable chance that products of combustion from a transformer
fire will be drawned into the HVAC air intake of adjacent
Dry Type Transformer Dielectrics:
Dry type transformers are available in four types:
Cast Coil (primary and secondary vacuum casted)
The indoor application of dry type dielectric transformer
will comply with the "National Fire Protection Code," "National
Electrical Code," MIL-HDBK-1008, "Fire Protection For Facilities
Engineering Design and Construction" and the "National Electrical
Safety Code" where applicable.
The open dry type transformer will be installed in a
controlled environment (the environmental air must be filtered
and humidity controlled in a room or vault as required by the
The sealed or closed dry type transformers will be installed
in a cleaned ventilated room/vault.
The cast coil type transformer will be used in a clean
ventilated environment (room/vault) or routine cleaning will be