Meaning FR-1
What does FR-1 mean? Here you find 2 meanings of the word FR-1. You can also add a definition of FR-1 yourself
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FR-1A flammability rating established by Underwriters Laboratories for wire and cable that pass a specially-designed vertical flame test.
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FR-1A flammability rating established by Underwriters Laboratories, Inc. for wires and cables that passed a specially-designed vertical flame test. This designation has since been replaced by VW-1
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