Is there any value in seeking FDA approval for a product that doesn’t require FDA approval? Is a UL mark necessary? Isn't all this certification just a racket? Have you ever heard these questions or asked them yourself? You’re not alone.
Normally at the start of a manufacturing relationship, the contract manufacturer will ask the customer for a spec sheet — a report showing a variety of acceptable tolerances for the part or product. But if it’s a new product, or an older product that has undergone tweaks or changes through the years, there might not be a neat, up-to-date report.