This document provides input wattage guidelines for estimating energy savings from lighting efficiency rebates. It lists the fixture input watts for various fluorescent lamp types, numbers of lamps, and ballast combinations. The wattages given are estimates that may vary from actual results depending on factors like fixture type and installation method.
6. Mercury Vapor Lamp Metal Halide Lamp
Mercury Vapor Number Magnetic Ballast Metal Halide Lamp Number of Magnetic Ballast
Lamp Description of Lamps Description Lamps
50W Med. Base 1 75 32W Med. Base 1 38
75W Med. Base 1 95 35W/39W Med. Base 1 48
100W Med. Base 1 122 50W Med. Base 1 62
175W Med. Base 1 205 70W Med. Base 1 93
175W Mogul Base 1 205 100W Med. Base 1 125
250W Mogul Base 1 285 150W Med. Base 1 173
400W Mogul Base 1 454 70W Double Ended 1 94
400W Mogul Base 2 880 100W Double Ended 1 130
1,000W Mogul Base 1 1080 150W Double Ended 1 185
175W Mogul Base 1 210
250W Mogul Base 1 295
High Pressure Sodium Lamp 400W Mogul Base 1 454
400W Mogul Base 2 890
1000W Mogul Base 1 1080
High Pressure Number Magnetic Ballast
1500W Mogul Base 1 1610
Sodium Lamp of Lamps
Description 1650W Mogul Base 1 1765
35W Med. Base 1 43 2000W Mogul Base 1 2140
50W Med. Base 1 64
70W Med. Base 1 86
100W Med. Base 1 126
150W Med. Base 1 188
100W Mogul Base 1 130
150W Mogul Base 1 188
200W Mogul Base 1 240
250W Mogul Base 1 295
310W Mogul Base 1 365
400W Mogul Base 1 457
600W Mogul Base 1 665
750W Mogul Base 1 840
1000W Mogul Base 1 1100
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7. Pulse Start Metal Halide Lamp
Fixture Input Watts (for normal power ballasts)
Pulse Start Metal Number Magnetic Energy Saving Magnetic Ballast
Halide Lamp Description of Lamps Ballast
50W Med. Base 1 72 62
70W Med/Mogul Base 1 90 85
100W Med/Mogul Base 1 128 118
125W Med/Mogul Base 1 150 141
150W Med/Mogul Base 1 189 173
175W Med/Mogul Base 1 208 189
200W Med/Mogul Base 1 232 218
250W Med/Mogul Base 1 290 272
320W Med/Mogul Base 1 370 342
350W Med/Mogul Base 1 410 375
400W Med/Mogul Base 1 465 425
450W Med/Mogul Base 1 506 480
750W Med/Mogul Base 1 812 –
1000W Med/Mogul Base 1 1080 –
High-bay Fluorescent systems Low-wattage T8 Systems
Fixture Input Watts (for normal power ballasts)
Fluorescent Number Energy Saving Electronic Ballast Fluorescent Number Energy Saving Electronic
Lamp of Lamps Magnetic Lamp of Lamps Magnetic Ballast
Description Ballast Description Ballast
F32T8 4’ 4 146.76 112 F32T8 4’ 25W 1 – 26
F32T8 4’ 6 210.30 168 F32T8 4’ 25W 2 – 43
F32T8 4’ 8 268.40 220 F32T8 4’ 25W 3 – 63
F32T8 4’ 12 440.38 336 F32T8 4’ 25W 4 – 85
F32T8 4’ 16 587.04 448 F32T8 4’ 28W 1 – 25
F32T8 4’ 18 660.42 511 F32T8 4’ 28W 2 – 48
F32T8 4’ 20 773.80 560 F32T8 4’ 28W 3 – 72
F32T8VHO 4’ 3 – 279 F32T8 4’ 28W 4 – 97
F32T8VHO 4’ 6 – 555 F32T8 4’ 30W 1 39.6 31
F32T8VHO 4’ 8 – 740 F32T8 4’ 30W 2 82.1 54
F54T5HO 4’ 2 – 117 F32T8 4’ 30W 3 – 77
F54T5HO 4’ 3 – 179 F32T8 4’ 30W 4 – 104
F54T5HO 4’ 4 – 234
F54T5HO 4’ 6 – 358
F54T5HO 4’ 8 – 468
F54T5HO 4’ 10 – 585
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