Ecmweb 4503 107cvfront
Ecmweb 4503 107cvfront
Ecmweb 4503 107cvfront
Ecmweb 4503 107cvfront
Ecmweb 4503 107cvfront

Not dead front construction

July 1, 2001
Section 410-56 (g) covers attachment plugs. All 15A and 20A attachment plugs and connectors are required to be constructed so that there are no exposed current-carrying parts except the prongs, blades or pins. The cover for wire terminations must be a part that is essential for the operation of an attachment plug or connector (dead-front construction). See the definition of Dead Front in Article 100
Section 410-56 (g) covers attachment plugs. All 15A and 20A attachment plugs and connectors are required to be constructed so that there are no exposed current-carrying parts except the prongs, blades or pins. The cover for wire terminations must be a part that is essential for the operation of an attachment plug or connector (dead-front construction). See the definition of “Dead Front” in Article 100 — “Without live parts exposed to a person on the operating side of the equipment.” The disc shown here is what violates this rule.To see the complete article, view the PDF by clicking here.
About the Author

Joseph A. Tedesco

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