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Questions tagged [halogen]

The tag has no usage guidance.

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2answers
58 views

Is it safe to use LED transformers with existing 12v halogen bulbs? [closed]

I am in the process of installing two "Tech Lighting" pendant kitchen lamps (each with their own transformer, but on the same dimmer switch). My question is: Can I use MR16 gu5.3 50w 12v halogen ...
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3answers
92 views

Why do high current wires have fabric/nyon sheathes?

I saw two wires going into a halogen light bulb whose outer sheathes were not a plastic (like PVC, or polyurethane), but rather a woven fabric (like a nylon shoelace). Why is woven fabric better for ...
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1answer
52 views

How does a (halogen) wound transformer dimmer work?

I'm replacing a broken halogen dimmer and I noticed that it has inside a wound transformer, but it is connected only to two leads: "input" and dimmed "output". It also has some more electronic ...
1
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1answer
58 views

Low-power halogen lamp dimmer

I want to connect a set of low power halogen lamps to a dimmer. This would be used to illuminate plants who are then monitored using a hyperspectral camera. I was wondering whether any spurious ...
0
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1answer
339 views

changing 12v halogen lighting to 12v LED

i have an old project that is causing the client current problems. installed was 12v halogen lighting 10w bulbs,G4 base, multiple lights, buried cabling, multiple transformers from 120v to 12v. client ...
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3answers
66 views

Eco Halogen Light-Bulbs [closed]

Are Eco-Halogen bulbs a distinct type of light-bulb, or are they just halogen light-bulbs marketed as being eco-friendly? I recently shattered the outer glass envelope on an Energizer-brand Eco-...
0
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1answer
684 views

Is it safe to use MR16 12V AC halogen bulb on 12V DC power source as artificial load

I'm searching for a artificial load for an old computer PSU (cheap chinese 400W, only passive PFC) and found in a box a couple of halogen bulbs rated for 12V AC (35W). Tried one of them on the 12V ...
1
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1answer
377 views

Power supply fails when PWM an halogen lamp

In this video I'm trying to light a 50W 12V halogen lamp using PWM, and switching from 0/500 to 500/500 duty cycle within 15 seconds (31000Hz frequency). I'm using an ATX power supply (276W spec on ...
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0answers
69 views

Does a 20W bulb “overdrive” this transformer?

My daughter's IKEA reading light has/had a 12V 20W bulb with a transformer that listed that it output "11.5V ~ 10-20W 60Hz". The transformer stopped working, and I can't find a replacement available ...
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2answers
286 views

Is there a safety issue with halogen bulbs if the outer glass envelope comes off leaving exposed wires

If the bulb fails and outer glass envelope becomes detached is there a safety issue with the inner exposed wires between the small inner bulb and the bayonet cap?
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1answer
49 views

Powering HID lamp from 240 volts

I'm considering replacing a 300W / 500W R7 halogen fitting with one of those 12v HID car fittings, (and obviously customising the halogen lamp housing) I'm also trying to do it on a budget. I'm ...
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1answer
259 views

Do I need to wire the lamp via a relay?

I'm wiring my brother's bicycle with a Philips Rally H4 Bulb 12V 130/100W. He needs it for like 15-25 minutes everyday. Since I have only a 12V 7Ah battery and it is insufficient for this bulb as it ...
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3answers
152 views

Driving a 15V, 150W AC halogen

I have a 15V, 150W Quartz Tungsten Halogen and would like to make it work. So far I have found that it is driven using AC, so I believe I need an AC/AC step down transformer (if 220VAC is used)? If ...
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1answer
38 views

HID halogen headlmp controler

Is there a specific name for a automotive headlamp controller that when energized, will start at , say 3volts & ramp to 12volts? This would usually be used for HID or high intensity halogen lamps ...
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0answers
163 views

RC network in 12v 50watt halogen desklamp

I'm trying to repair a halogen desklamp that has a transformer based on this circuit: R is a 0.5 ohm 1watt resistor for the main RC network that was blown, I've got some replacements ordered on the ...
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2answers
48 views

lighting halogen 110VAC transformers to 12 VAC, 150W

I have lighting fixture that has two lighting halogen transformers 110VAC, 60Hz to 12VAC and 150W each in something like circular box. Their inputs are connected in parallel. Their outputs are 12VAC, ...
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2answers
761 views

Why does my new 220V AC to 12V DC transformer only allow one Halogen light to work? [closed]

I'm trying to revive an old Ikea "Trettio" lighting set. The set is made up of a 220V to 12V transformer and 5 Halogen lamps connected to it in parallel. Remembering that the original transformer was ...
2
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1answer
94 views

Why so different lumen efficiencies between mains and 22V halogen?

I was looking for data about halogen reflectors I just bought. They are 50W, 230V. On the package I read 320 lumen and that looked ridiculous to me, then I found this document by GE: Halogen Lamps ...
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2answers
2k views

Infrared LED vs halogen light output comparison

I am thinking of using a high power ~50W IR led. I am wondering if LED IR is more efficient than halogen as is the case with visible light LED's? I couldn't find the light output of either IR halogen ...
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3answers
90 views

LED fuel indicator instead of halogen

I have this problem which is driving me crazy: I want a LED light to indicate when my motorbike is running on emergency fueltank. The system works with a normal halogen bulb, and the system is ...
0
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1answer
541 views

Touch dimmer with low voltage transformers, needs incandescent to work? Updated!

I've looked extensively about this topic, and can't find any answers. Hopefully someone on here can help. I live in Texas and have 120V power in my house. I'm using a lamp touch dimmer to dim two ...
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2answers
6k views

LED lamps with halogen dimmer

I've got halogen spot bulbs, with GU10 connector, throughout my living room. All connected to one halogen dimmer. I'd like to replace them with LED spots, using the same fixtures as the halogen spots. ...