FOXBORO FBM228 P0922QS Channel isolation communication module
Raised floors provide an esthetic room appearance. Three general types of floor systems manufactured are the drop-in grid, the freestanding (stringerless or pedestal-only) type, and the bolted-grid (stinger) system. Only the bolted-grid or the rigid grid. (a) On a drop-in or removable grid system, the grids or stringers are retained by engaging pins or depressions in the pedestal head. The stringers supply support and when newly installed provide comparatively low resistance contact to the pedestal head.
system is acceptable as an equipotential plane
Equipment cabinets resting on the floor panels provide increased contact pressure in certain areas.Severe corrosion and unreliable electrical contact have resulted due to dirt, moisture, and floor cleaning/waxing compounds filtering through crevices. This floor system is also considered unsuitable for a reference plane. Floor panels resting on the pedestals and grids are commonly 24” x 24” although they may be purchased in 30” x 30” dimension.
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