Distribution transformer
means a transformer that:
(1) has an ’input voltage of 34.5 kV or less;
(2) has an ’output voltage of 600 V or less;
(3) is rated for operation at a frequency of 60 Hz; and
(4) has a capacity of 10 kVA to 2500 kVA for liquid‐immersed units and 15 kVA to 2500 kVA for dry‐type units; but
(5) the term “distribution transformer” does not include a transformer that is an:
(A) autotransformer;
(B) drive (isolation) transformer;
(D) machine‐tool (control) transformer;
(E) nonventilated transformer;
(H) sealed transformer;
(I) special‐impedance transformer;
(J) testing transformer;
(K) transformer with tap range of 20 percent or more;
(L) uninterruptible ’power supply transformer; or
(M) welding transformer.