2、
The size of downlight is fixed. According to the basic installation mode of light source, downlights can be divided into horizontal downlights and vertical downlights.
3. The main specifications of vertical downlights are: 2 inches, 2.5 inches, 3 inches, 3.5 inches, 4 inches, 5 inches and 6 inches;
4. Horizontal downlights are usually large in size, concentrated in 4 inches, 5 inches, 6 inches, 8 inches, and 9 inches, 10 inch, 12 inch.
Overall dimensions of 5-inch vertical downlight:178× 204;
Overall dimensions of 5-inch horizontal downlight: 178×99.
Inch here refers to inch, not the ancient unit of length measurement, such as inch, ruler and ruler. 1 inch =25.4 mm =2.54 cm (1
inch
=
2.54 cm)
So:
4 inches =4 inches
X
2.54 = 10. 16 cm. About 10cm.
=
100 mm
6 inches =6 inches
X
2.54 =15.24cm. About 15cm.
=
150 mm
8 inches =8 inches
X
2.54 = 20.32 cm. About 20 cm.
=
200 mm
Describe the classification of led downlights in detail:
1, according to the installation method: embedded downlight and exposed downlight.
2. According to the arrangement of lamps, there are vertical downlights and horizontal downlights.
3. According to location: household downlights and engineering downlights.
4. According to the number of light sources: single plug downlight and double plug downlight.
5. According to the anti-fog situation of the light source, it can be divided into ordinary downlights and anti-fog downlights.
6, according to the size: 2 inches; 2.5 inches; 3 inches; 3.5 inches; 4 inches; 5,6,8, 10 inch.
Inch refers to inch, which refers to the caliber of the reflection cup inside.
Using downlight as a lamp is convenient to install, does not occupy space, is generous and durable, generally no problem for more than five years, and the style is not easy to change. The price is also cheap.
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