APPROVED VENDOR Incandescent Bulb: Incandescent, Double Contact Bayonet (BA15d), (S) Sign
The APPROVED VENDOR Incandescent Bulb is a BA15d double-contact bayonet base lamp with an S8 bulb shape. It operates at 12.8V AC and produces white light, with trade number 1142 (MPN 21U597).
SKU 3G-OTH-388511
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Product Description
The APPROVED VENDOR Incandescent Bulb is a BA15d double-contact bayonet base lamp with an S8 bulb shape. It operates at 12.8V AC and produces white light, with trade number 1142 (MPN 21U597).
Frequently Asked Questions
What is the APPROVED VENDOR 1142 incandescent bulb used for?
The APPROVED VENDOR 1142 incandescent bulb is used for sign lighting and indicator applications. Its S8 shape and BA15d double-contact bayonet base make it suitable for commercial signage, marine, and industrial control panels where a compact, white-light source at 12.8V AC is required.
What are the specifications of the APPROVED VENDOR 21U597 bulb?
The APPROVED VENDOR 21U597 is an incandescent bulb with trade number 1142. It has an S8 bulb shape, a BA15d double-contact bayonet base, operates at 12.8V AC, and produces white light. The manufacturer part number is 21U597.
Where to buy the APPROVED VENDOR 1142 bulb worldwide?
3G Electric supplies the APPROVED VENDOR 1142 incandescent bulb worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this BA15d base lamp.
How to select the correct BA15d incandescent bulb for sign lighting?
To select the correct BA15d incandescent bulb, match the base type (double-contact bayonet), voltage (12.8V AC), and bulb shape (S8) to your fixture. The trade number 1142 from APPROVED VENDOR ensures compatibility with standard sign sockets. Always verify wattage and light color requirements before ordering.
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3G Electric supplies APPROVED VENDOR ba15d double-contact bayonet base lamps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















