NEC

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NEC Article 490.21
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engineer1959
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NEC 2011
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jumper
jumper
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Does the Code book say anything about using Unions?
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21
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sameguy
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ptonsparky
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Submersible disconnects
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ptonsparky
ptonsparky
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Does NEC mention drains?
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9
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iMuse97
iMuse97
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SER to Spa Box / Sub-Panel
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4
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jumper
jumper
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Installing (200amp rated) Automatic Transfer Switch...height requirements?? Plz Help
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3
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Jimmyboy
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distance between 15kV cable and termination point
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2
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unit
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minumum size for conductors
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2
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don_resqcapt19
don_resqcapt19
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New Panel Schedules
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6
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ronaldrc
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Splice an equipment grounding conductor?
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3
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hurk27
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Steel Romex Connectors
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12
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cowboyjwc
cowboyjwc
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Transfomer 3PH primary OCP with inside delta SCR control
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spectrum
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Dennis Alwon
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When to use Table 430.7(B) vs 430.251(B)
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5
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Dennis Alwon
Dennis Alwon
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OLD NEC QUESTION - 1960'S
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stockexpert
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Smoke and Heat detector covering area
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3
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gadfly56
gadfly56
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3-Phase Well Pump?
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10
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kwired
kwired
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Pendent fixtures
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1K
101010
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Portable residential generator
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10
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5K
tom baker
tom baker
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480v temp services
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920
Alwayslearningelec
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