A welding helmet, commonly referred to as a “hood,” is one of the most important pieces of personal protective equipment that a welder must have. An adequate helmet protects the eyes and skin not only from severe sparks, but also from potentially vision-damaging ultraviolet and infrared rays emitted by the arc.

Helmet with filtered colour glass is used to protect face from UV and Infra-red radiation during welding.

Leather gloves is used as personnel protective equipment (PPE) to protect hand from burning injury.

Carbon monoxide gas is generated during GMAW on using CO₂ as shielding gas.