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27 votes
Accepted

Why does my halogen T-4 desk lamp not light up the bulb completely?

The bulbs in the link say 120 Volt. Your lamp says use 12V 50W. I think you just got the wrong bulbs.
izzy's user avatar
  • 1,067
25 votes
Accepted

What outdoor lightbulb is this?

There is probably a spring loaded contact on one end. Try moving the bulb gently both ways and see if moves. If so, move it far enough to remove it via one of the slots on either end of the bulb ...
George Anderson's user avatar
14 votes

What outdoor lightbulb is this?

The socket is called R7s. These halogen light bulbs have lengths of 78 mm, 118 mm, 189 mm or 254 mm. From the picture it seems to be an 118 mm, which is most common. (Measure or read the imprint) You ...
Jonas Stein's user avatar
7 votes

How do I change the bulbs in this light fixture?

Looks like a GU10 bulb. You can usually remove it by lightly pressing the bulb itself and twisting it anti-clockwise.
martynas's user avatar
5 votes

Can I plug a 240v halogen light bulb into a 120v lamp?

The 220 lamp will light on 110 but it will not last very long. The filament needs to get hot enough for the halogen cycle to function, the low voltage does not allow that hence the filament does not ...
Gil's user avatar
  • 7,011
3 votes

Why does my halogen T-4 desk lamp not light up the bulb completely?

The answer by izzy most likely describes the problem. If for some reason the newest bulbs don't function, you should: Check the transformer at the base of the lamp. You'll need a voltage meter to ...
ojait's user avatar
  • 11k
3 votes

Sparks from desk lamp?

Lamps below the low contact voltage are not uncommon. I have installed many “fancy” systems that the conductors are not insulated and the lamp holders clip on to the wires . Some fixtures have fancy ...
Ed Beal's user avatar
  • 103k
3 votes

recessed light only works with halogen bulb?

It may be a dimensional issue. Incandescent/halogen typically have a long narrow stem. CFLs put a pudgy power converter module right at the bottom. Some LEDs unnecessarily do the same since CFLs do....
Harper - Reinstate Monica's user avatar
3 votes

How do I change the bulbs in this light fixture?

Either - a bayonet fitting - push up a little, turn anti-clockwise 90 degrees, with a protected hand, or- a screw fitting, again, slight push up, and unscrew anti-clockwise for several turns. best to ...
Tim's user avatar
  • 5,298
3 votes

How do I change the bulbs in this light fixture?

It may be possible to pull out the entire fixture by pulling the outer metal ring downwards, maybe by inserting some plastic tool or card between the parts. This looks a little non-standard to me due ...
Pelle's user avatar
  • 398
3 votes

What outdoor lightbulb is this?

It is the older type of halogen fitting, with a spring loaded pin at each end. Despite a comment, it's usually fitted outdoors - it's often a high wattage, and will get hot, so outdoors is sensible. ...
Tim's user avatar
  • 5,298
3 votes

Wiring Halogen Lights (MR16)

Just to answer your question,yes, you would need a step down transformer from 120V to 12V. The transformer size would need to be the total wattage of the lights for your display. If you used 3-50 ...
JACK's user avatar
  • 82.1k
3 votes

Wiring Halogen Lights (MR16)

looking to wire up 2-3 halogen bulbs (mr16) to help create a realistic looking fire pit on stage. Is there a way to wire up these lights so that I can plug them into a standard 120v outlet? Yes, you ...
bobflux's user avatar
  • 10.1k
3 votes

Can I plug a 240v halogen light bulb into a 120v lamp?

Those bulbs are obsolete and it's time to retire the fixture. Unfortunately there isn't a way to get quality LEDs that'll plug in to a halogen socket, since halogen lights are extremely compact for ...
Harper - Reinstate Monica's user avatar
2 votes

recessed light only works with halogen bulb?

You have in that fixture a PAR38 halogen bulb that is working. It is a larger bulb than the PAR30. Both of these types use the same Socket Style and so can be interchanged as long as the lamp fits - ...
Ken's user avatar
  • 5,413
2 votes

How to wire a 220V to 12V transformer

Unscrew the cover and you'll see 2 sets of connectors/terminals. One set for primary, one set for secondary. Connect 230V to terminals marked as primary (at the top of the picture), and the second set ...
Chupacabras's user avatar
2 votes
Accepted

What does it mean for a halogen globe to strobe and then blow?

I have seen halogen strobe prior to totally failing, I have found 2 causes one was the lamp element itself that was bouncing around causing the flickering then failure, the other failures I have found ...
Ed Beal's user avatar
  • 103k
2 votes

Halogen Light Fixture with Broken prong

It is NOT safe since as indicated in the question only one prong of the bulb is in its socket contact. Obviously the other one that you left out is merely touching the other broken off prong. ...
Michael Karas's user avatar
  • 65.1k
2 votes

Is it possible to drive led strips using a halogen driver?

Your power supply doesn't like the LEDs. That's not a surprise. Either because there isn't enough current flowing (the halogen acted as a dummy resistor to create some load), in which case more ...
Harper - Reinstate Monica's user avatar
2 votes

Can I replace a Maximum Bulb Wattage (Watts) 25 halogen light bulb with 5w LED light bulb? Is it safe?

When choosing lamps, as long as the actual wattage is below the rating of the fixture, you're safe. It doesn't matter that the fixture generates a lot of light with the watts it consumes. The ...
batsplatsterson's user avatar
2 votes
Accepted

Halogen transformer replacement: safe to use 60w max to replace a 75w max?

Depends. What load is on the downstream side? If there's only one 50W bulb, you should be fine. Two 35Ws? Need a bigger one.
SomeoneSomewhereSupportsMonica's user avatar
2 votes

Replace Halogen spot light

if a GU16 bulb, then you have to push -in- and turn. This is due to the little 'nubs' on the end of the connectors
Ack's user avatar
  • 5,729
2 votes

LED light bulbs turn off immediately after being switched on

This question is old, but it just hit 1000 views so I thought I'd post the answer. The 12V PSUs were all at end of life, and were failing. It may have been that the 3.5W bulbs were too low power to ...
roryok's user avatar
  • 187
2 votes
Accepted

Using LED lamp in kitchen range hood

The key issue is heat. A 40W halogen produces a lot of heat. An equivalent LED will be around 4W - so 10% as much power and on the order of 10% as much heat. However, halogen bulbs love heat, LEDs do ...
manassehkatz-Moving 2 Codidact's user avatar
2 votes

how to replace the MR-16 bulb from this lamp fixture?

I've seen a few fixtures like that. See that tabbed ring around the outside of the face of the bulb? Try compressing it with needle-nose pliers right where the missing tooth is. It should pull out ...
Chris O's user avatar
  • 6,795
2 votes

Do I need specific glass for a halogen lens

Borosilicate (generic of "Pyrex® brand) would be the best bet. That's used for laboratory glassware that takes direct flame heating - it has low thermal expansion. The lamps of this sort I've ...
Ecnerwal's user avatar
  • 220k
2 votes

What are the best non-flickering (zero-flicker), dimmable bulbs for an enclosed glass fixture?

Halogens are essentially the same as regular incandescents as far as energy use. In general, I find that LEDs have less flicker than fluorescents, but I am not super-sensitive to 60 Hz flicker. Long-...
manassehkatz-Moving 2 Codidact's user avatar
1 vote

How do I change the bulbs in this light fixture?

Some version of push and twist of the inner bulb part. At least, that has worked for all the versions I have come across. Not found on that needed access from behind though (yet…)
Solar Mike's user avatar
  • 27.7k
1 vote

How to remove halogen bulb from protective glass?

I have had those before I am thinking the clips have been bent over, mine snapped in place. I would try prying one side up. They also make LED versions, of those lamps not as hot and they don't need ...
Ed Beal's user avatar
  • 103k

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