Definition
Low-voltage wiring handles systems below 50 volts—telephone, data, security, audio/video. Installation during construction is affordable; retrofitting is expensive. Future-proofing with extra conduit improves technology flexibility.
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Low-voltage wiring includes Cat5e/Cat6 data cables, coax for video, speaker wire, and security system wiring. Low-voltage systems are installed in conduit separate from high-voltage electrical wiring to prevent interference. Future-proofing with conduit for data and audio improves flexibility. Smart home pre-wiring enables future integration of automation and entertainment systems. Low-voltage wiring is affordable during construction but expensive to retrofit.
Pro Tip
Install extra low-voltage conduit and wire during construction. Future technology will likely require more connectivity.
Example
A home includes Cat6 data lines to multiple locations, pre-wired speaker locations, and security system wiring installed during rough-in.