News

Low-Voltage Motors, Voltage Drop, and the NEC How to calculate voltage drop in a branch circuit serving a 460VAC, 3-phase motor.
I see techs in the field get the most frustrated when they have a low-voltage short they can’t seem to locate. The challenge techs face with low voltage diagnosis is a combination of poor process and ...
The supply voltage is shared between components in a series circuit, so the sum of the voltages across all of the components in a series circuit is equal to the supply voltage, V s.
Is my power supply OK? What about my microprocessor? What if something goes wrong? Simulations show what happens if DC ...
Circuit breakers can be used as switches in 120V and 277V fluorescent lighting circuits where they are listed and marked “SWD” or “HID.” Circuit breakers must be marked with a voltage rating not less ...
This article from Carl Zeiss discusses voltage contrast in a microelectronic circuit.
Using electromagnetic induction, a transformer transfers electrical energy between two or more coils to step voltage up or down, ensuring power can be efficiently transmitted over long distances and ...
In National 5 Physics examine the current and voltage in series and parallel circuits to formulate rules and determine unknown values.