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Minimum Order
$100

Low Cost Electrical Supplies for that Competitive Market National System Supply offers some of the lowest pricing on 1/2" and 3/4" EMT along with a wide offering of Zinc Fittings and Boxes and incomparable pricing. Control Transformers 50 and 100 VA Multi-Tap control Transformers at levels below what you've been able to obtain until now, UL rated and the Multi-Tap side ensure you have input voltage options. Designed for the Low Voltage Industry with 24vac output.