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Incandescent Tubular Bulbs

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Incandescent tubular bulbs are cylindrical T-shaped lamps used in vanity mirror strips, open signage, appliance sockets, and commercial display fixtures where the elongated profile is either a functional requirement or part of the design. Common designations include T6, T8, T10, and T14, with the number indicating the diameter in eighths of an inch.

These lamps deliver CRI 100 color rendering and smooth, continuous dimming across their wattage range, properties that remain relevant in hospitality and display applications where LED tubular alternatives have not fully replicated the exact visual character. Double-ended T3 tubular lamps are used in specific architectural and display fixtures that require the linear form factor.

Base types include the E26 medium base, E12 candelabra, E17 intermediate, and double-contact bayonet or RSC (recessed single contact) bases depending on the fixture design. Confirm the base and overall length before ordering for retrofit applications where the original lamp may be discontinued or hard to source.

LED alternatives in equivalent shapes are listed under Decorative LED Lamps, including the Decorative Tubular LED Lamps subcategory. The full Incandescent Bulbs range covers all shapes and wattages available at RelightDepot.