APPROVED VENDOR Incandescent Bulb: Incandescent, Double Contact Index (BAY15d), (S) Sign
The APPROVED VENDOR Incandescent Bulb is a BAY15d double-contact indexed bayonet base lamp with an S8 bulb shape. It operates at 12.8V AC and produces amber light, identified by trade number 2057NALL.
SKU 3G-OTH-389345
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Product Description
The APPROVED VENDOR Incandescent Bulb is a BAY15d double-contact indexed bayonet base lamp with an S8 bulb shape. It operates at 12.8V AC and produces amber light, identified by trade number 2057NALL.
Frequently Asked Questions
What is the APPROVED VENDOR 2057NALL-2PK incandescent bulb used for?
This BAY15d double-contact indexed bayonet base lamp is used for automotive and heavy-equipment signaling, such as turn signals, brake lights, and marker lights. Its amber light and S8 shape suit industrial vehicle lighting where a 12.8V AC source is available.
What are the specifications of the APPROVED VENDOR 2057NALL-2PK bulb?
The bulb has a BAY15d double-contact indexed bayonet base, S8 shape, operates at 12.8V AC, produces amber light, and carries trade number 2057NALL. The manufacturer part number is 2057NALL-2PK, and it is supplied by APPROVED VENDOR.
Where to buy the APPROVED VENDOR 2057NALL-2PK bulb worldwide?
3G Electric supplies the APPROVED VENDOR 2057NALL-2PK 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.
How to select the correct BAY15d incandescent bulb for my application?
Verify your fixture requires a BAY15d double-contact indexed bayonet base. Match voltage (12.8V AC), bulb shape (S8), and light color (amber). The trade number 2057NALL ensures correct fit. For alternatives, consult your equipment manual or contact 3G Electric for sourcing guidance.
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3G Electric supplies APPROVED VENDOR bay15d double-contact indexed bayonet base lamps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















