Specs Capacity: 13,500 Btu per hour Airflow: 470 CFM (cubic feet per minute) Max wind coverage: 30' Dimensions and Weight: Air conditioner: 29-1/2" long x 27-5/8". Large electrical power distribution boxes come in several sizes—single-gang for one device, double-gang for two . In order to cope with the extreme conditions, BS6164 provides valuable guidance on voltages, equipment enclosures, cabling, electrical protection and lighting systems to be used in tunnels. In addition, through our involvement with many tunnel projects, we have acquired much practical experience in. The Tunnel Distribution & Lighting Box provides tunnel contractors with a complete solution for temporary electrical installation that complies with competent local authorities. Therefore, equipment for supplying power to the tunnel must be installed. This installation has to satisfy two essential requirements: Meet the needs under all operational situations (normal, degraded, critical. European Standards - Technical Specifications for Interoperability (SRT TSI), "Safety in railway tunnels" field, mainly regarding the "Infrastructure" subsystem (SRT TSI Tunnels). Contextual Info: XPDR/DME TCAS/ADS-B/TIS Test Set IFR 6000 Operation Manual Issue 7 EXPORT CONTROL WARNING: This document contains controlled technology or technical data under the jurisdiction of the Export Administration Regulations EAR, 15 CFR 730-774.