26.7 C
New York
Sunday, October 25, 2020
Home Wiki

Wiki

What is Ingress Protection classes (IPXX)?

IP (INGRESS PROTECTION) protection grade system is drafted by IEC (INTERNATIONAL ELECTROTECHNICAL COMMISSION), which classifies electrical appliances according to their dust and...

What is Colour Rendering Index (CRI / Ra) ?

The color rendering ability of a light source to an object is called color rendering, which is compared with the appearance of...

What is luminaire luminous efficiency (lm/W) ?

The ratio of the luminous flux emitted by the light source to the power consumption is called the luminous efficiency, and the...

Most Read

How to design the lighting of the city square?

The lighting project of the city square must first ensure the lighting demand of the square. In some leisure squares, too strong...

How to design garden road and waterscape lighting?

More and more parks and recreational landscapes are open at night, and some parks have higher utilization rates at night than during...

How to design step lighting for architectural lighting

The architects and landscape architects express the design intent by designing the size, spacing, material, and structure of the kick and tread....

What is Color Temperature(CCT)?

Color temperature is a unit of measurement that indicates the color components contained in light . Theoretically speaking, the black body temperature...