Installing voice/data/video (VDV) wiring and accessories is a growing component of electrical contractors of all sizes, both for existing customers and for new customers. Happily, coincident with increased customer demand for assured network reliability and minimized network downtime, manufacturers are offering an array of test equipment that helps installers certify that their installations conform to specifications and standards or find out where they don't. Not only is testing required for new installations, but also for upgrades in existing cabling systems.
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