![]() ![]() This holds true regardless of the size of the transformer. Know termination identification follows for all step down transformers: H1, H2, H3 and H4 signify the high voltage side or power feed end of the transformer.Only the high amperage types will have this enclosure, while lower powered transformers will have an exposed screw terminal. Remove the terminal connection box cover placed at the lower side of the transformer. Observe and identify the schematic and rating of the step down transformer to be installed.Step-down transformers are commonly used to convert the 220 volt electricity found in most parts of the world to the 110 volts required by North American equipment. ![]() Transformers with copper windings cost more to purchase initially, but save on electrical cost over time as the efficiency more than makes up for the initial cost. Copper windings are much more efficient than aluminum and many other winding metal choices, but it also costs more. ![]() One of the most important considerations to increase transformer efficiency and reduce heat is choosing the metal type of the windings. ![]() You can buy transformers at very low prices from here ![]()
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