Fast Ethernet local-area network switches are commonplace and can be purchased in 24- or 48-port configurations for less than $5 per port. Designing a Gigabit Ethernet LAN switch into similar port ...
All questions and answers are based on the 2011 NEC. Q. What is the Code requirement for the use of slash versus straight voltage rated breakers? A. A circuit breaker with a straight voltage rating, ...
The circuit in Figure 1 provides a low-cost, isolated ac-line monitor that measures ac-line-voltage level and has some other unique capabilities. The analysis of the circuit is straightforward: When ...
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