The Arc Welding Machine Distribution Box is specifically designed to safely distribute electrical power to arc welding machines. It ensures stable voltage supply, protects against overcurrent, and provides a secure connection for welding equipment. Find out about purchase options for welding, automation. Gas-metal arc welding (GMAW) is a widely used fusion joining process in industry known for its ability to create high-quality welds. However, the complex and nonlinear nature of GMAW process variables often leads to weld defects in certain situations. As a company, we have grown through dedication and team work to become one of the largest privately owned welding supply companies in South Africa.