Plug welding with an arc?

Welding and welded connections plug and slot welds Tutorial Creating Plug and Slot Welds in Creo Parametric plug or slot weld symbol Fillet welds in holes or slots are not to be considered plug or slot welds as a fillet weld or a plug weld The difference is in the

plug and slot welds In welded construction for buildings approximately 80% of the welds are fillet welds and 15% are butt welds The remaining 5% are plug, slot and spot welds