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APPROVED VENDOR Incandescent Bulb: Incandescent, Glass Wedge (W2.1x9.5d), (T) Tubular, T3-1/4 - W2.1x9.5d Wedge Base Lamps
APPROVED VENDORW2.1x9.5d Wedge Base Lamps

APPROVED VENDOR Incandescent Bulb: Incandescent, Glass Wedge (W2.1x9.5d), (T) Tubular, T3-1/4

The APPROVED VENDOR Incandescent Bulb is a T3-1/4 tubular wedge base lamp with a W2.1x9.5d base, operating at 13V AC and emitting white light. It carries the trade number 558 and is sold as a 10-pack under…

SKU 3G-OTH-386084

Brand
APPROVED VENDOR
Item
Incandescent Bulb: Incandescent, Glass Wedge
Category
W2.1x9.5d Wedge Base Lamps
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
558-10PK
Type
Glass Wedge (W2.1x9.5d), (T) Tubular, T3-1/4, 558
Voltage
13V AC
Bulb Shape
T3-1/4
Light Color
White
Trade Number
558
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APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Incandescent Bulb is a T3-1/4 tubular wedge base lamp with a W2.1x9.5d base, operating at 13V AC and emitting white light. It carries the trade number 558 and is sold as a 10-pack under manufacturer part number 558-10PK.

Frequently Asked Questions

What is the APPROVED VENDOR 558 incandescent bulb used for?

The APPROVED VENDOR 558 incandescent bulb is a T3-1/4 tubular wedge base lamp used for indicator lighting, panel illumination, and small appliance applications. Its 13V AC rating and white light output make it suitable for automotive, marine, and industrial control panels where a compact, reliable light source is needed.

What are the specifications of the APPROVED VENDOR 558-10PK bulb?

The APPROVED VENDOR 558-10PK is a T3-1/4 incandescent bulb with a glass wedge W2.1x9.5d base. It operates at 13V AC, emits white light, and carries trade number 558. The bulb shape is tubular (T), and it is sold as a 10-pack under manufacturer part number 558-10PK.

Where to buy APPROVED VENDOR 558 bulbs worldwide?

3G Electric supplies the APPROVED VENDOR 558-10PK incandescent bulb to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery for international orders. Contact us to source this T3-1/4 wedge base lamp for your application.

How to install a W2.1x9.5d wedge base bulb like the 558?

To install a W2.1x9.5d wedge base bulb such as the APPROVED VENDOR 558, ensure power is off. Align the glass wedge base with the socket and push firmly until seated. Do not twist; the wedge design relies on a straight push. Verify the 13V AC supply matches the bulb rating before powering on.

Used in

Common applications for APPROVED VENDOR
Laboratory sampling — APPROVED VENDOR clear wide mouth glass bottles for collecting and storing liquid samples in non-sterile environments.
Steam heating maintenance — APPROVED VENDOR forged brass radiator valves for regulating steam flow in commercial building heating systems.
High-pressure cleaning — APPROVED VENDOR turbo spray nozzles for pressure washers used in industrial equipment cleaning up to 6,000 psi.
Cleanroom operations — APPROVED VENDOR vinyl task chairs for seating in ISO 5 classified manufacturing or assembly areas.
General sealing — APPROVED VENDOR natural rubber stoppers for closing laboratory flasks or test tubes in educational or research settings.
Tamper-evident security — APPROVED VENDOR brass lead and wire seals for securing utility meters, cargo containers, or access panels.

APPROVED VENDOR Products

3G Electric supplies APPROVED VENDOR w2.1x9.5d wedge base lamps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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