A new ASTM International specification will help standardize production and use of bimetallic “bus bar” (copper-clad aluminum flat-strip and flat-wire that distributes high-current power). A ...
We begin Part 2 of this three-part series by continuing our discussion of the requirements for securing and supporting raceway and other parts of electrical systems. The NEC requires raceways, cable ...
Key learning points Electrical charges What are free electrons? Cell polarity Conventional current direction Electrons orbit the nucleus. An atom has a neutral charge, because it contains the same ...
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