Covers are cast copper-free aluminum alloy. Selector switch operator bodies are copper-free aluminum. Operating shaft in selector switches is stainless steel. Contact blocks are rated heavy duty, 600 VAC max. Internal ground screw.
Copper free cast aluminum alloy.
Ground flange joint between bolted cover and box provide required flame path.
Push button, selector switches and pilot light operator bodies are copper-free aluminum.
Operating shaft in both push buttons and selector switches are stainless steel.