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WHAT IS COMMON NEUTRAL INTERACTION?

April 26, 2017common interaction Neutral

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WHAT IS COMMON NEUTRAL INTERACTION?

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Common neutral interaction occurs between at least two dimmers that share the same neutral wire. When solid-state dimmers are operating, voltage spikes occur and are transmitted onto the neutral wire. Normally this is of little concern. When the neutral wire is common (to two or more phases of a 3-phase, 4-wire system) the voltage spikes may feed back to the dimmers. The common neutral wire can cause interaction between the dimmers that are on different phases.