• Copper-free aluminum casting.• This series of housings with
glass windows are suitable for mounting relays and control equipment as well as
meters and instruments.• The wall section of the
housings are of sufficient thickness to provide the required (5) full threads
for conduit entrances as listed. • The housings are stocked blank and can be drilled and tapped to
your specifications. (A layout sketch should accompany the order.)• Mounting posts, rings, studs
and other accessories can be furnished.• Optional mounting pans
available.