Context: Many newer control systems are using wireless mesh open standards (such as ZigBee), which provides benefits including easier installation (no need to run control wires) and interoperability with other standards-based building control systems (e.g. security).

Question: What type of standard do newer control systems use? 
Answer: wireless mesh open standards

Question: What is the name of one type of control system used? 
Answer: ZigBee

Question: Does a wireless mesh open standard make installation harder?
Answer: no