A solder seal butt connector for 10-12 gauge wire. Solder seal butt connectors are made of a clear, heat shrink tube, with a low temperature solder ring in the middle. On either side of the solder ...

The Fraunhofer ISE has designed a novel method for assessing the potential of low-temperature heat sources for large-scale heat pumps. The five-step process was tested on the German city of ...