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REO is an original manufacturer of high quality power equipment, including electronic controllers, components and electrical regulators.

Using UL ‘Yellow Cards’ to speed up your UL product safety approvals.

Using UL ‘Yellow Cards’ to speed up your UL product safety approvals.

By John Showell of Product Approvals Ltd

This article gives guidance on how to use the Underwriters Laboratories (UL) 'yellow card' system to help in obtaining your UL or other NRTL (Nationally Recognised testing Laboratory) product listing required for U.S. and Canadian market entry.

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