Throughout this site we use many technical terms, and given the breadth of readership our site enjoys, sometimes we are remiss and incorrectly assume everyone knows what we are referring to. For those that do not, here are some explanations of the technical terms use.
Welding system in which the two ends to be joined form the contacts for an electrical current which melts the ends sufficiently to join them. The system is so called because only the metal in the immediate area of the weld becomes hot. It is usually used for joining strip.