About NWL

NWL is a leading manufacturer and designer of transformers, inductors, capacitors and power supplies for industrial applications, specializing in power supplies for electrostatic precipitators. The company was founded in the 1930’s by John Nothelfer as a transformer repair shop – Nothelfer Winding Laboratories, hence the name NWL.

Learn More

Power Thoughts Blog

Covid-19 Update

To Our Valued Customers and Vendor Partners, Due to the Covid-19 Pandemic, the governors of most states have mandated the closure of all “non-essential” retail business.  These closures are for […]

Read More