Person 2: No, what are they?
Person 1: They’re a type of transformer that uses resin insulation instead of oil insulation. They’re becoming increasingly popular with fire-proof exporters and makers.
Person 2: Why?
Person 1: Well, resin insulation Dry type transformers are much more fire-resistant than oil-insulated transformers. They also have a much longer lifespan and require less maintenance. Plus, they’re more energy-efficient, so they can help reduce energy costs.