Seismic certified (1994 UBC for seismic zone 4) for protecting 1000 lbs. of essential equipment when used in conjunction with our WRK-Z4 brackets
Generous 24.25in. OD width provides room for cables
1/2in. 3/4in. 1in. and 1-1/2in. electrical knockouts found on removable split rear plates top knockout plate additionally includes UHF/VHF antenna knockouts
2 extra-wide pairs of 10-32 threaded rackrail standard
Rackrail features cable pass-through openings in face
Laser-cut 1/8in. thick internal steel braces for strength