Page 303 - Mechanical Engineers' Handbook (Volume 4)
P. 303

Lifetime  (hr)  7,500  7,500  18,000  12,000  5,000  24,000





                                          Light  Output  (lumens)  980  12,000  11,600  10,680  1,430  candlepower)  14,400
                                                                   (beam


                                       Fixture  Power  Consumption  (W)  34  205  160  142  75  188


                                       Replacement  same



                                                  in    rapid-start  slimline
                                                  adapter  fixture  saver  projector  sodium
                                              Type        fixture  saver  fixture  (PAR-38)
                                                  circline  halide  energy  same  energy  same  incandescent  high-pressure


                                                  22-W  fixture  metal  34-W  in  tubes  60-W  in  tubes  floodlight  streetlamp
                                                  8-in.  175-W  Four  Two  75-W  150-W

                                            Lifetime  (hr)  750  1,000  18,000  12,000  5,000  24,000





                                          Light  Output  (lumens)  1,740  10,600  12,800  12,800  1,200  candlepower)  10,400
                                                                     (beam



                                    Conversions  Fixture  Present  Power  Consumption  (W)  100  500  184  172  150  285




                                    Lighting          warm-white  two-  in  96- warm-white  one-ballast  streetlamp


                                    Common              tubes  in  tubes  reflector  vapor


                                    Some          incandescent  incandescent  rapid-start  fluorescent  fixture  slimline  fluorescent  incandescent  (R-40)  mercury


                                    6                 40-W  48-in.  ballast  75-W  fixture  floodlight
                                    Table     Type  100-W  500-W  Four  Two  in.  150-W  250-W



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