Check the bottom of your current halogen bulb to see the connectors and use a ruler to measure the size of the fitting and the size of the cut-out for the bulb, information which will be useful when you are shopping for a replacement LED. This Guide Will Help You Understand. For a transformer that controls more than one bulb, you would add up the voltage of each bulb to find out the total voltage. Support wikiHow by The lumens are the light output rating. Examine the original fitting and bulb. 16 July 2020. If the transformer lists a range, the bottom number is the minimum voltage required for the transformer to function, and the top number is the maximum. LEDs are greener alternatives to halogen bulbs. They are not interchangeable. There are 22 references cited in this article, which can be found at the bottom of the page. Luckily, advances in LED technology have made it possible for you to use these energy efficient bulbs in your gallery or showcase without losing the light quality of halogen bulbs. wikiHow is where trusted research and expert knowledge come together. Include your email address to get a message when this question is answered. While it’s safe to throw halogen bulbs in with your regular garbage, compact fluorescent lights (CFLs) and fluorescent tubes contain mercury and should be treated like hazardous waste. However, low voltage halogen light bulbs can be a little tricky. ", wattage I need in the LED bulbs. Spotlights always come with a specification of the opening angle. If you are planning to replace halogen lighting fixtures to LED in an area that necessarily requires extremely pleasant bright light, halogen corn light bulb replacement should be your go-to strategy. You should choose the light output of the LED bulb depending on the intended purpose of a room. Halogen bulbs are a bit old school, and LEDs are the modern alternative. Thank you. ", How to Replace Halogen Downlights with Led, Unlock this expert answer by supporting wikiHow, http://www.sustainability.vic.gov.au/You-and-Your-Home/Save-energy/Lighting/Replace-halogen-lights, https://www.ryness.co.uk/buying-guides/choosing-halogen-bulbs, https://www.theguardian.com/lifeandstyle/2014/mar/28/led-lights-information, http://www.dummies.com/home-garden/home-improvement/lighting/how-to-replace-a-light-switch-with-a-dimmer/, http://www.hsa.ie/eng/Topics/Electricity/Dangers_of_Electricity/, https://www.consumer.org.nz/articles/led-bulb-buying-guide, https://sfenvironment.org/light-bulb-disposal-in-sf, https://www.thegreenage.co.uk/putting-spotlights-under-the-spotlight-gu10-versus-mr16/, https://sciencing.com/how-8614326-calculate-transformer-va-rating.html, consider supporting our work with a contribution to wikiHow. If your LED bulbs fall within the transformer’s voltage range, you do not need to replace the transformer. To be extra safe, double-check that the circuit is off with a simple circuit tester. How to Change a 2-Pin Halogen Light Bulb? The opening angle indicates the extent to which the light is distributed by a light source. If you’re not sure which wire is live and which one is neutral, use a voltage tester to test each side.