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Installation Recommendations
Proper Wire Sizing
• As a minimum, always size wire gauges as specified by the National Electrical Code (NEC) for electronic con-
trol devices.
• For improved noise immunity, install one size larger wire gauge than the NEC requirement to assure ample
current-carrying capability
• Never undersize wire gauges.
Voltage Source
• Transformers block a large percentage of Electro-Magnetic Interference (EMI).
• The Vilter Vission 20/20 should be isolated with its own control transformer, for the most reliable operation.