The TAP boxes (Tunnel Application Power) from Phoenix Contact have been specially developed for safe, fireproof, and simple power distribution in tunnels. Power supply and distribution in a tunnel Tunnels are home to a variety of applications that need to be supplied with power in a high-availability configuration. Main LV supplies into tunnels are often provided with a back-up stand-by generator and our Mains Distribution Assemblies (MDAs) can incorporate Manual or Automatic Changeover systems to switch between Mains. Most of the tunnel equipment and systems require electrical energy to operate. This installation has to satisfy two essential requirements: Meet the needs under all operational situations (normal, degraded, critical. The Tunnel Distribution & Lighting Box provides tunnel contractors with a complete solution for temporary electrical installation that complies with competent local authorities. WE-POWER developed the TDLB to withstand harsh conditions in accordance with BS6164, which provides useful guidance on. be expected for highways. Produced in large facto-ries and delivered by trucks, they can be laid directly on p e-planned route sections. To make sure that emergency lighting systems work reliably in tunnels, it's vital to intelligently.