Crescent File Set, 5Pc, W Ergonomic Handle, Pouched Lighting L.E.D To solve this you need SPF50 UVA UVB advanced To solve this you need to filter that 12 volt feed and quite possibly use a 12 volt regulator like this PLASMA CUTTER AIR FILTERUsing clean dry air with a Plasma Cutter is crucial as moisture can cause a shortcircuit within your torch Other advantages with the plasma air filter include longer lifespan of consumables and improved cut quality from your machine The AT1000 Plasma Air Filter eliminates sputter caused by moisture and oil from compressed air lines With new and improved technology the plasma air filter is able to entrap particles as small as 01 microns Filters up to 1250 Lmin Removes contaminates Entraps moisture Extends consumables life Prevents torch shortcircuitIMPORTANTThe AT100 Plasma Air Filter is supplied standard without inlet or outlet connections Inlet and Outlet thread connection is 14NPT female The general purpose selection for home and professional use Offers better comfort and control