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Why are TR shutters required on GFCIs?

April 26, 2017GFCI shutters tr

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Why are TR shutters required on GFCIs?

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Two safety features (GFCI and TR) offer two different types of protection: GFCI’s will protect against electrocution. However, the user will still feel a shock and can receive a burn. There needs to be an instantaneous current flow for the GFCI to detect and trip. Tamper-resistant receptacles are meant to protect against burn hazards to children from a single object insertion.