Explanatory notes
… handling capacity exceeding 10,000 kVA ‑ Other transformers : 8504.31 ‑ ‑ Having a power handling … alternating current of different voltage, impedance, etc. These usually consist of two or more coils of insulated wire … although in some cases (e.g., radio‑frequency transformers) there may be no magnetic core, or the core may be of …