The large commercial building in Orange County had 277V line voltage, which could not cost effective

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Orange County Utilities chose a solution provided by Access Fixtures, retrofitting 15 light bollards used for aesthetic purposes lining the walk to their entrance. Orange County Utilities wanted to replace existing 70W metal halide lamps and ballasts with LED lighting to save energy and reduce maintenance. The challenge faced was their bollard lights were powered by 277 volt, which limited options short of replacing the entire light bollard. Access Fixtures solution was to replace the existing 277V metal halide lamps and ballasts with high performance 277V self-ballasted LED lamps. The LED solution is rated for 50,000 hours and reduces energy use by more than 85 percent.
“Access Fixtures supplied an energy efficient solution that was able to maintain similar lumen output without having to replace existing bollard lights,” said Access Fixtures CEO, Steven Rothschild. “Our lighting specialists have the expertise to work with commercial clients, understand their needs and supply cost effective solutions meeting their unique requirements.”
The large commercial building in Orange County had 277V line voltage, which could not cost effectively be changed, powering 15 bollard lights equipped with 70W metal halide lamps and ballasts which use 85 system watts. Electricians lamp post bypassed the ballast lamp post and wired directly to the socket. The socket was retrofitted lamp post with a mogul to medium adapter. The self-ballasted 277V 10w LED lamps were then installed in the medium sockets. The system saves 75 watts per bollard. Assuming the LED bollard lights are on eight hours a day/seven days a week and electricity is $0.15 kw/hr, the retrofit will save $33 per light bollard or $495 per year.