Title: IEEE standard for transformers - underground-type, self-cooled, single-phase distribution transformers with separable, insulated, high-voltage connectors; high voltage (24 940 GrdY/14 400 V and below) and low voltage (240/120 V, 167 kVA and smaller)/@cSponser, Transformers Committee of the IEEE Power Engineering Society
Subjects: Electric transformers, Electric insulators and insulation, Standards