Seismic certified to the following codes and standards: 2007 & 2010 CBC; 2006, 2009 & 2012 IBC; ASCE 7-05 (2005 Edition) & ASCE 7-10 (2010 Edition) and the 2006 & 2009 editions of NFPA 5000 for use in areas of high seismicity ā Zone 4 or Seismic Design Category (SDC) āDā. These are designed for Mission Critical and/or High-Importance Installations in locations with the highest level of seismicity and top floor or rooftop installations including those within UBC and CBC Essential facilities or IBC, ASCE 7, and NFPA 5000 Seismic Use Group III facilities. For all codes, the Importance factor (Ip) is 1.5. Seismic Certified load capacity of 900 lbs. when used with WRK-Z4 seismic floor anchor brackets.
Generous 24-1/4ā³ OD width provides room for cables
1/2ā³, 3/4ā³, 1ā³ and 1-1/2ā³ electrical knockouts found on removable split rear plates, top knockout plate additionally includes UHF/VHF antenna knockouts
Available in 2 depths: 27-1/2ā³ or 32-1/2ā³
Cable pass-throughs located in the face of the standard front and rear adjustable 11-gauge, 10-32 threaded, extra-wide rackrail facilitate the passing of cable from the face of the equipment to the rear
Laser-cut 1/8ā³ thick internal steel braces for strength