Intelligent Building Dictionary


Low Voltage

Low Voltage
circuits operating at 50 volts or less (per National Electrical Code article 720); used as shorthand for building related electronics. There are five common low voltage systems (telecommunications or office automations, HVAC, security, fire and life safety, and energy/lighting management) in most buildings, the average commercial office building has 15 low voltage systems and the average hospital has 32 low voltage systems.

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