Im replacing a transformer jn1060p, w/ 2 red wires and a white and black. ive received your product, w/ 2 red and 2 white. which hooks up to black?

The diagram on the unit shows the red (hot) wires as 110v INPUT, and the white wires as the 12v OUTPUT to lamp.

My ring doorbell requires a transfomer rated for 8-24 vac. i have a kwo-light kl-787 installed in 1991. does either qualify?

Well for one I don't know the output voltage for the one you mentioned but if its within range of the specified voltage you should be okay, two transformers don't last forever and sometimes deliver unstable voltage and being this one is from the early 90's I would suggest starting off with a new transformer, ring type doorbells are sensitive and unproperly installed will give you issues in the future.

There were two differing answers on whether the red wires connect to 110 V. Which is correct?

It is clear per photo the red wires connect to 110/220 AC so not sure what your question is. If you are asking which to black and which to white neutral, that isn't not clear and no instructions or label came with the transformer. If polarity does not matter either way should work. I connect black and white to red (did not matter which to which).

Can this transformer be used with a dimmer?

The description should give details regarding usage of transformer. We are not using it on a dimmer. I hope this is helpful.

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Ironsmith Lighting Products 60 Watt Halogen Lamp Transformer - 20W to 60 Watt Max Output, Halogen, Xenon, Krypton Type Light Bulbs Support - Not for LED Light

Product ID: 138841422

Details

Brand
Classic Light
Mounting Type
Rail Mount
Power Source
Corded
Product Dimensions
1"D x 1.38"W x
Specification Met
FCC UL

⚡120V AC input to 12V output

💡Supports 20W-60W halogen, xenon, krypton bulbs

📏Compact 2.88 x 1.38 x 1 inches

R618

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💡 Illuminate smarter, not harder — transform your lighting game with precision power!

ENERGY SMART - Optimized for power efficiency, reducing energy waste and lowering your operating costs.
POWER PRECISION - Seamlessly converts standard 120V AC to a stable 12V output for flawless illumination.
SPACE SAVVY DESIGN - Ultra-compact footprint fits effortlessly into any lighting setup without clutter.
DURABILITY ENGINEERED - Built with premium components to resist environmental wear and ensure long-lasting performance.
VERSATILE COMPATIBILITY - Engineered for Halogen, Xenon, and Krypton bulbs, powering your lighting with flexibility.

The Ironsmith Lighting Products 60 Watt Halogen Lamp Transformer efficiently converts 120V AC input to a stable 12V output, supporting halogen, xenon, and krypton bulbs between 20W and 60W. Its compact design (2.88 x 1.38 x 1 inches) allows easy integration into various fixtures, while quality construction ensures durability and reliable performance. Ideal for residential, commercial, and industrial lighting, it optimizes energy use and prevents flickering by maintaining a minimum 20W load.

Specifications

ASIN	B07RYFSF5M
Best Sellers Rank	#285,509 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #194 in Outdoor Low Voltage Transformers
Brand Name	Classic Light Bulb
Customer Reviews	4.1 4.1 out of 5 stars (146)
Item Dimensions D x W x H	1"D x 1.38"W x 1"H
Manufacturer	HC Lighting
Model	HLT-12V-20-60-Halogen
Mounting Type	Rail Mount
Part Number	ISI-60WTRANSFORMER
Power Source	Corded Electric
Specification Met	FCC, UL
Unit Count	1 Count

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