What is the standard for downlight opening size?
The downlight is simply a screw base, which can be installed with incandescent lamps or energy-saving lamps. It is a common recessed light fixture. Mounting on the ceiling is the most common type. No matter where it is installed, you need to pay attention to the size. Yes, the opening should be appropriate, so what is the standard for the size of the downlight opening? Believe that many people want to know it, benwei lighting is here to explain it for everyone, let's take a look.
Downlight
What is the standard for downlight opening size?
Household downlights are generally about 2.5 inches to 3 inches, and the size of the opening is about 70. For general home downlights, the largest is no more than 3 inches, and then put a 5W energy-saving lamp inside. That's it. Of course, the brightness of the light can also be adjusted according to the actual situation. The installation of downlights requires great attention. The downlights used in general households are at most between 6~8 cm in diameter and 12~15 cm in height. Therefore, when making the ceiling, set aside in advance. The space is less than 15 cm, otherwise it will be difficult to install the downlight. The power of the bulb used by the downlight can be determined according to the size of the actual space.
2.5-inch LED downlight size parameters: hole (Φ80) ——sheet size Φ102×H30 power 3W; 3-inch LED downlight size parameters: hole (Φ90) ——sheet size Φ112×H30 power 5W; 3.5 inches LED downlight size parameters: hole (Φ100)-table size Φ122×H30 power 7W; 4 inch LED downlight size parameters: hole (Φ120)-table page size Φ146×H30 power 9W; 5 inch LED tube Lamp size parameters: hole (Φ150)-table page size Φ180×H30 power 12W; 6-inch LED downlight size parameter: hole (Φ160)-table page size Φ190×H30 power 15W; said so much, it still needs See what are the general standards:
1. Ordinary downlights are available in three sizes: large (5 inches), medium (4 inches), and small (2.5 inches). According to the method of installation: embedded downlight and surface mounted downlight. According to the tube layout: vertical downlight and horizontal downlight. Divided by place: home downlight and engineering downlight. According to the number of light sources: single-insertion downlights and double-insertion downlights. According to the anti-fog status of the light source: ordinary downlight and anti-fog downlight. According to size: 2 inches; 2.5 inches; 3 inches; 3.5 inches; 4 inches; 5, 6, 8, 10 inches. Inch refers to inches, and refers to the caliber of the reflector cup inside.
2. Optional models: vertical straight screw downlight, vertical straight plug downlight, horizontal straight screw downlight, horizontal straight plug downlight, anti-fog horizontal straight screw downlight, anti-fog horizontal straight plug Light, anti-fog vertical straight screw downlight, anti-fog vertical straight plug downlight. There are generally two sizes of household downlights: 2.5 inch opening 80mm, 3 inch 90mm. Common specifications for spotlights: 63mm, 48mm.
Downlight
3. Common sizes of downlight openings are: 2 inches, 2.5 inches, 3 inches, 3.5 inches, 4 inches, 5 inches, 6 inches, and 8 inches: all refer to inches. 1 inch = 25. 4mm is the industry said that the general opening is 4 inches, that is, the opening is 10cm, and the opening of the spotlight (ceiling lamp) is generally 45mm.
4. Downlight size specifications: A. No need to open a hole, directly install the downlight, various sizes are 2.5 inches, 3 inches, 4 inches, 5 inches, 6 inches 2.5 inches and outer diameter size: 9.1CM , 3-inch outer diameter size: 10.8CM; B, downlight specifications and dimensions are fixed.
5. Common downlight opening size standards are: 2 inches, 2.5 inches, 3 inches, 3.5 inches, 4 inches, 5 inches, 6 inches, and 8 inches: all refer to inches. 1 inch = 25.4mm, that is, the industry says that the general opening is 4 inches, that is, the opening is 10cm.
6. Common sizes of downlight openings are: 2 inches, 2.5 inches, 3 inches, 3.5 inches, 4 inches, 5 inches, 6 inches, and 8 inches. The inch here refers to inches, not the ancient measurement of length, inches, feet, etc. 1 inch=25.4mm=2.54cm (1inch=2.54cm). 3 inch LED downlight size parameters: opening (Φ90)-table page size Φ112×H30 power 5W.
Downlight
The above is an introduction to the size of the downlight hole size standard. I believe you will know more about it after reading it. The content is for your reference only, and I hope it can be helpful to you.
