21. Currently a power transformer sits on its location. 22. CASING _ Select a case, which usually comes with a power transformer to run the computer. 23. A squirrel got into a power transformer on a utility pole and chewed one too many wires. 24. Transformer oil is part of the electrical insulation system of large power transformers and other electrical apparatus. 25. It could be an AC-to-DC power transformer . 26. An external power transformer and a floppy disk drive typically add another a pound and a quarter. 27. The animals will climb onto power transformers or capacitors looking for food, or a place to cache acorns. 28. When the screener saw the bag's contents, the man said that they were stereo speakers and power transformers . 29. Where 230 V nominal mains voltage was used, television receivers as well could dispense with a power transformer . 30. "' Tianwei Baobian Electric "'( TWBB ) is a Chinese manufacturer of power transformers and other electrical equipment.
