Bright Concepts Lighting technical resources are organized around real buying and replacement questions: identifying an existing lamp or fixture, matching electrical and physical specifications, comparing replacement approaches, and finding the correct manufacturer product.
Replacement guides
Start here when you have an existing lamp, fixture, or application and need to identify the correct replacement path.
E26 vs E39 Base GuideIdentify the correct Edison screw base before ordering.
HID to LED Replacement GuideCompare the specifications that matter when replacing HID lighting.
PAR20 vs PAR30 vs PAR38Understand PAR lamp size and replacement differences.
400W Metal Halide to LED ReplacementUse lumen output, distribution, voltage, mounting, and application—not watts alone.
2×4 Troffer LED Replacement GuideCompare panels, troffers, retrofit approaches, controls, and light output.
Commercial lighting selection guides
Use these guides when choosing a commercial fixture or specification for an application.
Warehouse High Bay Selection GuideCompare lumen output, mounting height, distribution, controls, and environment.
Commercial Lighting Color Temperature GuidePractical differences among 3000K, 3500K, 4000K, and 5000K.
0–10V Dimming GuideWhat to verify when selecting fixtures, drivers, controls, and dimming systems.
Shop by technical category
Move from technical guidance directly into the relevant product catalog.
Browse by manufacturer
Manufacturer pages organize supplier-connected products by brand and preserve the manufacturer SKU, specifications, product documents, and current availability where available.
Search by the information you already have
If you have a manufacturer SKU, UPC, wattage, base type, color temperature, lumen output, or product shape, use the product search above. Exact product identifiers are usually the fastest way to narrow a commercial-lighting replacement.