Before you submit an error, please consult our Video Help page. Steve Trash Science is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android ...
CATALOG DESCRIPTION: Fundamental concepts in electrical circuits; circuit analysis and network theorems; linearity and superposition; series/parallel combinations of R, L, and C circuits; sinusoidal ...
All questions and answers are based on the 2011 NEC. Q. If circuit conductors are installed in parallel in separate raceways, is an equipment grounding conductor ...
This answer is based on the 2017 NEC. A. Separate raceways or cables containing parallel conductors must have the same electrical characteristics [310.10(H)(3)], as shown in the Figure. If one set of ...
Second generation Parallel Systems autonomous-electric rail vehicle. Vehicle is designed to carry cargo containers that might otherwise by transported by trucks or traditional freight trains. No ...
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