EIA compliant 19" stand-alone / gangable equipment rack. Useable height shall be 18" rackspaces, useable depth shall be 28" (refer to chart). Rack shall be of fully welded construction. Weight capacity shall be 2,500 lbs. ERK shall be finished in a durable black powder coat. ERK shall come equipped with one pair of fully adjustable 11-gauge steel rackrail with tapped 10-32 mounting holes in universal EIA spacing, black e-coat finish and numbered rackspaces. ERK shall include solid locking rear door standard and solid sides with vertical slotted vent pattern at top and bottom (and laser knockouts for cable pass-through on 44, 40 and 35 space models). Top and bottom of ERK shall feature vertical slotted vent pattern. ERK shall have removable split rear knockout panels with 1/2", 3/4", 1", and 1-1/2" electrical knockouts installed in base and a removable rear knockout panel with 1/2", 3/4", 1" and 1-1/2" electrical knockouts and BNC knockouts for UHF/VHF antennae installed in top. Grounding and bonding stud shall be 1/4-20 threaded (1 location), bonding stud shall be 10-32 threaded (3 locations). ERK Series enclosures shall satisfy the 2005 & 2010 Editions of ASCE Standard 7; 2006, 2009 & 2012 editions of the IBC; 2007, 2010 & 2013 editions of the CBC; 2010 editions of the NBC and 2012 edition of the BCBC for use in areas of high seismicity, Occupancy Category IV facilities. Seismic design force is an assumed Site Class D soil conditions, and top floor or rooftop installations. Design for High Importance or Post-disaster installation uses an importance factor (Ip or Ie) of 1.5 when used with ERK-Z4 seismic floor anchor bracket. ERK shall be UL Listed in the US to UL2416 (NWIN) and Canada to CSA C22.2 No. 60950-1. ERK shall be GREENGUARD Gold Certified. ERK shall be manufactured by an ISO 9001 and ISO 14001 registered company. ERK shall be warrantied to be free from defects in material or workmanship under normal use and conditions for the lifetime of the product.