Alloy A380 aluminum, certified zinc alloy and stainless steel springs provide increased corrosion resistance|Die cast construction and industrial design combine to produce a rugged protective enclosure for devices|Clean cover edges provide good gasket sealing|Precision cast and machined surfaces permit safer wire pulling|Clear UL and cubic content markings speed approval by inspectors|Convenient mounting lugs for a variety of mounting methods|Securely fastened mounting plates reduce costly call backs|2 outlets on top and 2 on bottom|1/2 in hub