Electrical Calculations / Engineering

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lightning arrester
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jtester
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sizing wire on distance
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sparky59
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steve66
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High Resistance Grounding
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rbalex
rbalex
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steve66
steve66
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TRANSFORMER CONNECTION
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jtester
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websparky
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NESC RULES
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mdshunk
mdshunk
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Reuse Conduit for a Class A system
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ron
ron
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Lightning Strike...
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bphgravity
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dropping fractions fron calculations
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Physis 2
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Open Delta Connection
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hurk27
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Help with calcs
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bphgravity
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ElectricPersonality
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Box sizing help
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mhulbert
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Hazardous locations
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friebel
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how many of these can you have on a 20A circuit?
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steve66
steve66
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single-phase loads off 3-phase 4-wire
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TimWA
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Best Approach for Cabling Addressable Fire System
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ron
ron
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general lighting loads for convenient store/gas station/
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john m. caloggero
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Emergency Light Rules
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steve66
steve66
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