For far too long, the standard for lighting warehouses, industrial facilities, manufacturing facilities and other high ceiling height applications has been the 400-Watt Metal Halide fixture. Advances in ballast technology and the improvements of the T5 High Output (T5 HO) Linear Fluorescent lamp have led to many new light fixtures that are targeted specifically to replace old HID high bays. The following article details the many benefits that the T5HO high bay fixture offers over traditional 400 Watt Metal Halide high bays.  These include energy efficiency, improv … Continue reading

We're often asked how 4-lamp T5HO High Bays and 6-lamp T5HO High Bay Fixtures fare when compared with traditional 400W Metal Halide fixtures.  The chart below compares 4-lamp and 6-lamp T5 fixtures against a traditional 400W Metal Halide High Bay along a number of dimensions.  The comparison dimensions are listed below with a short description of each.   400W MH Compared to 4-Lamp and 6-Lamp T5 HO High Bays Comparison Dimension 400W Metal Halide 4-Lamp T5 High Bay 6-Lamp T5 High Bay Number of Lamps 1 4 6 Lamp Watts (W) 400 216 324 Fixture Watts (W) 455 … Continue reading