CEDIA ESPA EST Practice Test

Answer - C - The decibel is the unit used to measure the capacity of a line conditioner.

Key Takeaway: A line conditioner is an electrical device used to remove electrical noise and crosstalk from an electrical line. Line conditioners work by filtering and smoothing the power stream to eliminate dips, fluctuations, and interference. The ability of a line conditioner to reduce noise is measured in decibels over a given frequency range.