Common Electrical Problems
Why do the lights dim when I turn my TV, amplifier, or computer on?
The reason lights may dim when certain appliances are turned on is because the wire in that circuit now has to share its area with more current. The "in rush" current that is generated by turning something on can sometimes overwhelm a circuit, causing the lights to dim. The National Electrical Code requires a minimum of 14 gauge wiring for general purpose circuits. This wire is too small to handle in rush current. Therefore, Metro Electric uses 12 gauge wiring when necessary, eliminating this problem.
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