All of the following are true statements regarding line-voltage thermostats and control wiring except a. An electrician's license is often required to run line-voltage control wiring. b. Line-voltage thermostats must be matched to the voltage and current of the circuit. c. Line-voltage thermostats and controls are not as sensitive as low-voltage thermostats. d. Line-voltage thermostats and controls respond faster than low-voltage thermostats.