b'SIGNALLINGSounders, Beacons & Call PointsExplosion proof audible and visual signalling devices for re and gas detection in industrial onshore, marine and oshore hazardous locations.FUNKE+HUSTERFERNSIGPLUGS, SOCKETS & ISOLATORSSafe Disconnect Under LoadLV power supply and distribution products include industrial, high current and high temperature plugs, sockets and decontactors with integrated switches for Zone 1/21 and Zone 2/22 hazardous areas explosion proof connectors are available for copper, coax and bre optic contacts with ATEX and IECEx certication.www.heatingandprocess.com Thorne &Derrick'