APPROVED VENDOR Incandescent Bulb: Incandescent, Midget Grooved (S4S/8), (T) Tubular, T1-3/4
The APPROVED VENDOR Incandescent Bulb is a T1-3/4 tubular incandescent lamp with a S4S/8 midget grooved base. It operates at 28V AC and produces white light, identified by trade number 388 (MPN 388-1PK).
SKU 3G-OTH-389723
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Product Description
The APPROVED VENDOR Incandescent Bulb is a T1-3/4 tubular incandescent lamp with a S4S/8 midget grooved base. It operates at 28V AC and produces white light, identified by trade number 388 (MPN 388-1PK).
Frequently Asked Questions
What is the APPROVED VENDOR 388 incandescent bulb used for?
This T1-3/4 tubular incandescent lamp with a S4S/8 midget grooved base is used for indicator lighting, panel illumination, and pilot lights in industrial control cabinets, test equipment, and medical devices. Its 28V AC rating makes it suitable for low-voltage signaling applications where a compact white light source is needed.
What are the specifications of the APPROVED VENDOR 388-1PK bulb?
The APPROVED VENDOR 388-1PK is a T1-3/4 tubular incandescent bulb with a S4S/8 midget grooved base. It operates at 28V AC, produces white light, and carries trade number 388. The bulb shape is T1-3/4, and the manufacturer part number is 388-1PK. It is designed for low-voltage indicator applications.
Where to buy the APPROVED VENDOR 388 incandescent bulb worldwide?
3G Electric supplies the APPROVED VENDOR 388 incandescent bulb worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this T1-3/4, 28V AC lamp for your panel or equipment needs.
How to select the correct APPROVED VENDOR incandescent bulb for my application?
To select the correct bulb, match the base type (S4S/8 midget grooved), voltage (28V AC), and bulb shape (T1-3/4) to your fixture. The trade number 388 identifies this specific lamp. For indicator or pilot-light use, verify the socket size and required light output. 3G Electric can help confirm compatibility for your industrial equipment.
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3G Electric supplies APPROVED VENDOR s4s/8 midget grooved base lamps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













