Household downlight opening size standard Household downlight installation knowledge
The downlight is simply a screw lamp holder. This kind of lamp is more suitable for installation on the ceiling, because this kind of lamp does not need to damage the wall, just leave a light hole in the ceiling. Then the standard for the size of the opening of the household downlight is What? What are the knowledge of household downlight installation? Let’s take a look at BENWEI LIGHTING.
Household downlight
The standard of the hole size of the household downlight:
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.
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.
Household downlight
Household downlight installation knowledge:
Household downlights are generally about 2.5 inches to 3 inches, and the size of the opening is about 70. For general household downlights, the largest one does not exceed 3 inches, and then put a 5W energy-saving lamp inside. That's it. Of course, the brightness of the lamp can also be adjusted according to the actual situation.
The installation of downlights requires great attention. The diameter of downlights used in general households is between 6~8 cm and the height is between 12~15 cm. 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.
There is no uniform standard for downlight spacing. Several downlights are designed on the same surface. When installing, it is enough to divide them appropriately according to the number of installations and the brightness of the light source. It can also be determined according to the indoor space, which needs to be determined according to the length of the wall or the ceiling, which can be considered from multiple aspects and cannot be determined uniformly.
Household downlight
Let’s stop here for the introduction of home downlight opening size standards and home downlight installation knowledge. 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 everyone. .




