Question 1
You are asked to install a 3-way switching arrangement so that a set of stairs can be lit from both the top and bottom. Which type of device must be used at each end of the switching arrangement?
Question 2
In a 'Smart Home' lighting installation, what is the primary benefit of using a 'mesh' network protocol like Zigbee or Z-Wave for device communication?
Question 3
What is the function of a 'smart switch' in a home automation system?