2023 NEC & Voltage Drop
Hallways in dwelling units that this length or longer require a receptacle outlet.
What is 10 feet?
The amount of potential energy necessary to cause one coulomb of electrons to produce one joule of work.
What is a Volt?
Circuits are generally considered to contain inductance when any type of load that contains one or more of these is used.
What is a coil?
The two basic three-phase system winding connection configurations.
What are Delta and Wye/Star?
The inductive reactance of a three-henry inductor connected to a power system (grid) operating AC voltage at 60Hz.
What is 1131 Ω ?
The feeder overcurrent protection amperage rating required for 100A continuous load and a 100A non-continuous load.
What is 225 Amps?
The total current on A series circuit has a total resistance of 180 Ω and an applied voltage of 120 V.
What is 0.667 or 2/3 amps?
A capacitor is constructed by separating two metal plates with an insulating material known as this.
What is a dielectric?
The value in electrical degrees, each phase of a three-phase system is out of phase with each other.
What is 120°?
The capacitive reactance of a 35 μF capacitor connected to a 60-Hz, 120 V supply.
What is 75.79 Ω?
This percentage demand factor applies to a multifamily dwelling with ten units if the optional calculation method is used.
What is 43%?
The total resistance of a three-resistor series circuit with these values: R1=27 Ω, R2=56 Ω, and R3=82 Ω.
What is 165 Ω?
The two respective units of measure for Inductance and Capacitance.
What are Henrys and Farads?
The voltage measured across a single winding of a three-phase connection.
What is Phase voltage?
The apparent power of a RL parallel circuit consisting of 1500 ohms resistance and 1000 ohms of inductive reactance.
What is 17.31 VA?
Underground service conductors shall be protected from damage in accordance with this NEC Table, including minimum cover requirements.
What is Table 300.5?
The total resistance of a three-resistor parallel circuit with these values: R1=27 Ω, R2=56 Ω, and R3=82 Ω.
What is 14.9 Ω?
The total inductive reactance of two inductors connected in parallel to a 120-V, 60-Hz supply. The values of the inductors are 1.5 H and 2.5 H.
What is 353.429 Ω ?
The three-phase configuration in which phase and line voltage measures out to be equal.
What is Delta?
The true power of an RC series circuit with a 240 V supply, 500 ohms of resistance and 500 ohms of capacitive reactance.
What is 58 Watts?
The maximum length a #1/0 aluminum wire can be without exceeding the 3% maximum voltage drop. The circuit is single phase 240 volts, 200 amps.
What is 90 feet?
The calculated current flow across the 150 Ω resistor of a two-resistor parallel circuit. The resistor values of the circuit are 150 Ω and 270 Ω.
What is 0.8 amps?
The total capacitance of three capacitors connected in series. The values of the capacitors are: C1=12 μF, C2=20 μF and C3=30 μF.
What is 6 μF?
The phase voltage of a Wye connected transformer with a line voltage of 7,200 volts.
What is 4157 volts? 4160 nominally
The Phase (theta) angle of an RLC series circuit that has these values for each load: R = 42 Ω, XL = 60 Ω, and XC = 24 Ω.
What is 40.54°?