1
Brief answers
0
to short questions
Sheila's
Shorts
By Sheila Miller
Stray voltage ships out
In a recent issue of Lancaster
Farming, I reported on a ‘hot’
subject stray voltage and its
potential for creating production
problems in milking parlors and
stanchion barn assembly lines in
the dairy business
That story was read by one of our
subscribers, Fritz Preyer, a
marine electrician on the Jersey
Shore He contacted me the
following week and discussed via
the telephone t|aat stray voltage in
his business is an intolerable
situation. Mr Preyer owns
OMarmeomcs, Mantocoking, New
Jersey.
I listened intently as Preyer
explained how he has eliminated
the problem of stray voltage in
boats and ships and I asked him to
follow up our conversation with a
letter
His letter arrived several uays
later and read
“Your problems m farm
buildings are not unlike problems
I’ve found in boats over the past 20
-+ years. We’ve had to eliminate
all stray voltages and currents on
board, not because of shocks or
tingles, but because of electrolysis
which can destroy underwater
fittings and sink a boat in a matter
of days.
“As you asked, I’m sending
these drawings, showing a 12 0 volt
2-wire system for simplicity. But a
3-wire 120/240 volt system ora 3-
phase 4-wire system would exhibit
I# the same problems if unbalanced.
And these systems are seldom
balanced.”
Admittedly, 1 am no electrician
About the closest I come to un-
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derstandmg electricity is changing
a lightbulb or throwing the circuit
bleaker in the baffling box in the
basement. The rest of the details I
leave to the experts to understand
and sometimes explain to this
inquisitive writer with many
short circuits in communication at
time, I’m afraid.
If Mr Preyer’s drawings would
have been a map to a buried
treasurer instead of illustrations
on electrical systems, I’m afraid I
never would be able to find the pot
of gold. So, 1 am letting the
dra wings speak for themselves.
Luckily, Mr. Pieyei included a
list of "points to consider”.
"There is no reason to ground
the neutral in any place other than
at the utility pole;
Don’t forget, voltage drops in
both the line and neutral, pulling
the line voltage down and pulling
the neutral voltage up above the
ground potential,
Neutral voltages above
ground at the load end may be as
much as 5 volts above ground;
Grounding of the neutral at
the load end surely invites ground
currents ana stray voltages,
Multiple grounds
ground currents;
Neither the neutral or line can
have a path to ground anywhere in
the building or barn; and
s Metal objects subject to stray
voltages are probably freely
corroding and rusting away, in
cluding plumbing and metal
buildings.
Any questions ’
If so, Mr. Preyer invites you to
send them to him at his business
addresses Marmeonics, 188 Cedar
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invite
Pt. Avenue, Brick Town, N J. 08723
or P 0. Box 13, Mantocuking, N.J.
08738.
Hopefully the dairy farmer’s
ship has come in for solving stray
voltage problems thanks to the
concern and interest of this marine
electrician.
S/IfOCBO.
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Lancaster Farming, Saturday, April 11,1981—CIS
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U)n» /*)OO/rtCO sJtont**-/G/tecjt/o.
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SCS grows specialized
conservation plants
HARRISBURG - Plants
provide ground cover which
reduce soil erosion and improve
water quality of streams New and
better variety of plants do not just
happen, they are planned and
developed
Plant Material Centers operated
by the USDA Soil Conservation
Service, with cooperating agen
cies, have tested and released
more than 200 different varieties of
conservation plants for com
mercial production and use in
conservation programs Currently,
seed growers and nursery owners
are commercially producing more
than 140 SCS-released varieties
PMC’s have released most of
these plants for solving soil and
water conservation problems
within the last 10 years In 1979, the
commercial value to the seed and
plant industry from the com
mercial production of SCS
released plant varieties was ap
proximately $26 million The seed
produced in one year was enough
to vegetate 1 3 million acres
In recent years, the Northeast
Plant Materials Center at Big
Flats, New York, released erosion
control plants such as Chemung
crown vetch, Lathco flatpea, Arnot
bristly locust, Streamco willow.
Leam to make slipcovers
YORK Does >oui upholstered
turmture need a new look tor
spring' blip covers can give that
new look to a room You can learn
to make your own slipcovers in a
worKshop Making Slipcovers
being ottered by the Cooperative
Extension Ser\ ice ot Y ork County
the class will be held April 14, May
a,fa,&/ - 9 JO-2 .10 p m at the 4-H
uentei
Acccnumg to A. Joan Lam-
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and Tioga deertongue grass These
plants are used on roadsides,
streambanks, utility rights-of-way,
and in strip mine reclamation
All over this country, cover
provided by SCS-released plant
materials is helping to control
erosion and sedimentation by
stabilizing the soil, filtering runoff,
and serving as windbreaks.
This plant cover also provides
many side benefits. Conservation
plant materials provide food and
cover for wildlife, provide forage
for livestock, beautify the land
scape, and, if properly selected
and positioned, can cut energy
costs for heating and cooling
houses and commercial buildings
Last year, through a public
participation campaign conducted
by SCS, citizens considered
alternatives to Federal
management in the support of
PMC’s. Out of the responses
received, 85 percent of the public
recommended SCS continue'
operating PMC’s.
In view of this public approval,
SCS will continue the search for
conservation plants to meet the
needs of all SCS spil and water
conservation programs, including
plants with potential energy
conservation characteristics
berson, extension home economist,
this is a hands-on ' class, in which
you will either make your own
slipcover or help someone else.
You will learn about tabncs,
measuring, figuring yardage and
how to construct slipcover
Advance registration is
necessary at the York County
Extension Office, 112 Pleasant
Acres Hoad, York, PA - phone 757-
%57
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