Two 50 foot raceways includes 9 underground conductors that feed continuous loads. What is the derating factor that must be applied to the ampacity of these conductors?
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windy city oil field, karamay, xinjiang, China
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Laying plastic pipes drainage to drain the water around the house of drainage system
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Concrete cube or construction brick and trowel. Construction concept and mason
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Apartment Fusebox Installation by Caucasian Electrician in His 40s. Residential Home Electric System Theme.
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