Nicolini & C. S.r.l. has obtained the UL certificate of compliance for his motor insulation system.

UL is the United States' original product safety certification organisation. Throughout the world UL family of companies evaluates product samples to applicable US product safety requirements for access to any region in the United States. The UL Mark is the most widely recognised and accepted evidence of a product's compliance with US and Canadian safety requirements. To North American consumers, code and regulatory authorities as well as manufacturers it is North America's most valued product safety symbol.
The UL Recognised Component Mark for Canada and United States may be used on component parts that are part of a larger product or system. It is certified by UL to both Canadian and US requirements.

Here you can dowload the UL certificate.