The XP style Explosion-Proof, Dust-Ignition-Proof Connection Heads are available in cast Aluminum with silver or blue epoxy coating NEMA 4 or 316 stainless steel NEMA 4X.  All XP heads are Certified FM & FMC or ATEX.  .  XP heads include: cover O-ring seal, stainless chain and grounding screw.   Choose approval rating and instrument/conduit connection below.