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Halco - 921 - 16.5W T5 Wedge 500H

Halco 921 T5 Wedge Bulb — 12.8V, 500-Hour Incandescent

Brand: HALCO
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$1.56
$1.17
SKU 921

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Reliable miniature T5 wedge lamp designed for low-voltage fixtures where a compact, bright incandescent source is required. The Halco 921 fits standard miniature wedge sockets and is commonly used in automotive, landscape, cabinet, and specialty lighting applications. This lamp delivers consistent warm light with excellent color rendering and reliable service life for routine replacement cycles.

  • Voltage & electrical: 12.8 volts nominal, approximately 1.4 amps design current for typical operation.
  • Bulb & base: T5 glass capsule with a miniature wedge base (W2.1x9.5d style) for easy push-in installation.
  • Filament & light quality: C‑2R filament construction with very high CRI (~99) for accurate color and warm incandescent tone.
  • Rated life: Approximately 500 hours average life under normal operating conditions; sold in multi-packs for commercial use.
  • Size & fit: Maximum overall length ~1.49–1.5 inches (37.9 mm) and maximum diameter ~0.62 inches (15.8 mm); verify fixture clearance before installing.
  • Dimmable & versatile: Incandescent design is dimmable on compatible low-voltage circuits and suitable for open or enclosed fixtures when specified by the manufacturer.

Shop this compact Halco T5 wedge lamp when you need dependable low-voltage illumination with excellent color accuracy and simple wedge-socket installation. Keep replacement bulbs on hand for high-use applications to avoid downtime.

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Frequently Asked Questions

What devices is the Halco 921 bulb compatible with?
Designed for 12.8V miniature wedge sockets (W2.1x9.5d). Common in automotive, cabinet, and landscape lighting.
What is the rated life of the Halco 921 bulb?
Rated at approximately 500 hours under normal use. Replace when brightness or color noticeably declines.
How can I confirm the Halco 921 will fit my fixture?
Check for a miniature wedge (W2.1x9.5d) socket and MOL about 1.49 in (37.9 mm) to confirm proper fit.
Is the 921 T5 bulb dimmable?
Yes. This incandescent T5 is dimmable on compatible low-voltage dimmers and dimming circuits.
What filament type and color rendering does this bulb offer?
Uses a C-2R filament and offers very high CRI (around 99) for accurate, warm color rendering.

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