What are lumens?
Measurement of total visible light from a lamp or light source
What is lux?
Measurement of light delivered in a specific area
What is efficacy?
The ratio of lumens per watt
What is the difference between IP66 and IP67?
IP66 enclosures are rated as dust tight and protected against powerful jets of water.
IP67 enclosures are rated as dust tight and protected against immersion up to 1m
On a IIC Flamepath, what is the maximum gap permitted?
0.04mm
How many gasses appear in the gas group IIC?
4
