Question 1
A junction box on a lighting circuit becomes warm to the touch when the lights have been on for some time. The current is within the circuit rating. What is the most likely cause?
Question 2
Which type of occupancy sensor detects body heat?
Question 3
When installing a 0-10V dimming system for office lighting, what is a key installation requirement for the low-voltage control wiring?
Question 4
When ganging multiple dimmers together in a box, what must often be done to the heat sink fins, and what is the result?