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1. Delta Secondary Voltages? Delta doubles (Phase to phase is always 2 x Phase to
neutral.)
2. WYE Secondary Voltages? Phase to phase is always 1.73 x phase to neutral
3. Shoring and Latter 3 4 5-Shoring
place- ment? Latter extends 3' past rest
point At 4' you need a
ladder
At 5' you need
shoring 1 Ladders
4. What causes resistance
every 25'
in a conductor?
The Type: Copper/ACSR,
Size, Length, and Temperature (the more heat more
resistance.)
5. How do you take a capacitor Open oil switch or open cutout with load break. The
internal resistor
off line? should bleed the voltage to 50 volts or less in 5 min. Then shunt
and ground the capacitors.
6. What do capacitors do? Improve power factor, when the current is lagging the
voltage.
7. Why does a recloser stay en- To allow a fuse to blow if there is a tree fault and also
to narrow
ergized longer on the 3rd or down the area of the fault after the fuse blows.
4th shot? 9. Types of over current pro- tection?
10. Can you look at a circuit breaker
8. What determines and determine the line voltage?
the strength of a
magnetic field?
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The reason it holds open is to allow an
sectionalizer to open cause it operates
under no voltage.
the current
Circuit breaker, Recloser-OCR, and Cutout.
NO (Because they are not rated in
voltage just amps)
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11. In CPR how many 30 Chest compressions to 2 Breaths 30-2
chest compressions
are needed to how
many breaths?
12. How would you parallel two Leave them on the step they were at, lock them down,
and turn
regulators? them ott. Once the work is complete put back to manual. OR take
one or both ott line and do the same thing.
13. LTC is powered by? PT by volts
14. Safe working limits need egress and digress in the
with ropes? ditch?
15. Color of service lines on
ve- hicles?
16. How much bigger do
you need to drill a
hole in a wood pole?
17. How often do you
need to electrically
test live line tools?
18. At what size do
transform- ers start
being subtractive not
additive?
19. At what depth do you
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