This videos covers the box support requirements in the 2020 NEC, including the controversial change in 314.23(B)(1) from the 2017 NEC.
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NEC requirements for box support (314.23)
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This videos covers the box support requirements in the 2020 NEC, including the controversial change in 314.23(B)(1) from the 2017 NEC.
Пікірлер: 63