US Lighting Catalog 2014 (Non LED) | Page 24

Ingrade 22 LS853 Direct Burial Why Use Direct Burial? Direct burial installation is ideal for landscaping areas or for special applications where depth is restricted. This type of installation also allows for maximum heat dissipation. The 316 grade Stainless Steel construction of the luminaire performs flawlessly in alkaline and acidic soil types, and is also rated for use in concrete pour applications. Note: This installation type has no option for a pre-installation blockout. Lumascape provides the LS853 complete with 6.5' of factory installed hookup wire and ½" NPT adapter, supplied complete with MicroAntiLeach™ seal. This provides the installer with greater flexibility to determine the nature of the branch circuit connection. This connection is also 100% hardwired. All aspects of the luminaire itself remains field servicable. Consult factory for application advice prior to using this configuration. Connection type '82' for 'Direct Burial' housing Lens Options OptiClear™ Glass Glass of very high optical purity and load strength. Suitable for walk-over and drive-over applications. GripGlass™ OptiClear™ glass with slip reduction glazing process. Suitable for walk-over and drive-over applications. ½" NPT Adapter Borosilicate Glass Ideal for limited access locations. Not recommended for high traffic pedestrian areas. The luminaire is factory-fitted with 6.5' hookup wire. Ensure terminations can be made within this length. For other length options, consult factory. Cover Options for Direct Burial Use recessed cover for installation in soil, grass, pavers and other uneven surfaces where no cover overhang is desired. Use flush covers for installation in fine finished surfaces such as granite and marble. They can also be used in some suspended applications. The flush cover will conceal gaps between the luminaire and the surrounding surface. Recessed Cover Round Flush Cover Square Flush Cover  SS316: Polished  SS316: Brushed  SS316: Polished  SS316: Brushed  SS316: Polished  SS316: Brushed Ø 6.94” (176 mm) 0.98” (25 mm) Ø 6.94” (176 mm) Ø9.43” (239 mm) Housing OD 0.98” (25 mm) Ø9.43” (239 mm) Housing OD Ø9.43” (239 mm) Housing OD Ø10.08” (256 mm) Cover OD 0.98” (25 mm) Ø 6.94” (176 mm)