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To help you understand the key issues facing our industry, please use the following glossary of terms:
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
- Part Lights
- Same as dead leg.
- Peak Load
- The highest, load on an electrical system or generator, occurring during a particular period of time.
- Phase
- Voltage carrying conductor.
- Phase Target
- A visual marker or flag on the overcurrent relays indicating the relay has sensed a fault on that phase or phases.
- Pool Pump & Motor Replacement Rebate Program
- Southern California Edison's pool pump and motors measure in its Home Energy Efficiency Rebates program promotes the purchase and installation of single speed, two-speed and variable speed pool pump and motor technology. A list of products that qualify in each of these important categories is available at http://www.sce.com/RebatesandSavings/Residential/PoolPumpandMotor/
- Positive
- The point of any circuit from which the current flows. Opposite of negative.
- Potential
- The pressure or voltage forcing electrical current through a circuit.
- Potential Link
- Also known as a POT LINK. Device located in the meter to open the potential coil resulting in no disk rotation. Testing device.
- Pothead
- A device shaped like a pot or bell attached to the end of a cable which is used to attach the cable to a wire or overhead conductor.
- Power Circuit Breaker
- This breaker will open the circuit under fault or overload conditions.
- Power Factor
- The ratio of true power (watts) to apparent power (volts x amperes).
- Power Marketer or "Seller"
- An entity that takes title to electric power generated by another entity, and sells that power. A power marketer may or may not be affiliated with a traditional electric utility.
- Power Source Adjustment
- A source of revenue based on the efficiency/inefficiency of customer equipment.
- Primary
- 1) Input or source side of transformer; 2) Service taken at between 2,000 and 50,000 V and at only one stage of transformation lower than the local transmission system voltage.
- Primary Lines
- High-voltage lines (4 kV, 6.9 W 12 kV, 16 kV, etc.) used to carry power from the substation to the immediate area to be transformed to lower voltages for individual customers.
- Prime Mover
- An engine, turbine, or water wheel that drives or operates an electric generator.
- Purchased Power
- Power purchased from other utilities.
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