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SAfETY HINTS
en
General hints for the installation and operation
PART 1: Warning
SAfE ELECTRIC ANIMAL fENCES
Read and mind before using:
Electric Fences shall be installed and operated so that they
cause no electrical hazard to persons, animals or their sur-
roundings.
Safe application is provided if the following hints are re-
spected:
Not as much Joules as possible but as much as necessary.
Short fences up to 10 km without weedload can be ope-
rated with 0,2 to 0,5 Joule pulse energy, medium fences
(approx 20 km) also with light weedload with max 2 or 3
Joules.
In cases where unsupervised children can be available
(especially in and around residential areas) also at elec-
trical animal fences with alternating polarity – where the
fence wires are alternating connected with the fence and
earth terminal - the lower output terminal – if available
-should be used or low energy energizers or low output
terminals of the energizers.
Any direct body contact with the electric fence must be
avoided- especially in the head/ neck/trunk area:
• Avoid any electric animal fence with alternating po-
larity where persons can get between fence wires
with different polarity. If at all use energizers with
lower energy e.g with 0,5 Joule limitation - also
with a non-electrified earthed wire !
• Enable persons to pass through public pathways by
means of insulated gates, gatehandles and insulated
styles. At any crossing at any crossway and along pu-
blic pathways all electrified wires must be identified by
warning signs in a distance of at least 100 m.
• Keep a distance of at least 2,5 m with the electric fence
to all metallic parts i.e. to waterpipes and troughs espe-
cially if persons can be in the vicinity.
• If there is a danger of overflooding the energizer must
be turned off.
Pay attention to Annex BB1.
The energizer has a pulse interval of 1 to 1.5 seconds. If
the interval is less than 1 second the energizer is to be re-
paired, if the interval is more than 1.5 seconds the fence is
not longer safe in function and must be repaired, too.
Our fencers comply with the European Standard EN
60335-2-76 and do not cause radio and tv interference and
comply with the European Directive (EMC) 89/336/EEC)
and are printed with CE mark.
Help to avoid any misuse of the energizer by:
• Observing the printing
• Secure the energizer against unallowed access
(e.g. antitheft or antichildren equipment) if the location
make this necessary
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Special applications of electric fences in zoos and deer
fences
The mounting of such installations may only be carried out
by trained specialists, a mechanical barrier must be provi-
ded which separates the electric fence from visitors.
PART 2: PRINCIPLE
An electric fence consists of an energizer and a connected
fence where the energizer feeds electric impulses into the
fence. The electric animal fence represents a "psycholo-
gical barrier" for the animals; it keeps animals inside or
outside a certain area ,it can also be used to train a cer-
tain behaviour (e.g. cow trainer in the stable). The electric
security fence is used for security purposes that comprise
an electric fence and a physical barrier electrically isolated
from the electric fence.
ANNEx BB.1
REqUIREMENTS fOR ELECTRIC ANIMAL fENCES
Electric animal fences and their ancillary equipment shall
be installed, operated and maintained in a manner that mi-
nimises danger to persons, animals or their surroundings.
Electric animal fence constructions that are likely to
lead to the entanglement of animals or persons shall be
avoided.
An electric animal fence shall not be supplied from two
separate energisers or from independent fence circuits
of the same energiser.
For any two separate electric animal fences, each sup-
plied from a separate energiser independently timed,
the distance between the wires of the two electric animal
fences shall be at least 2,5 m. If this gap is to be closed,
this shall be effected by means of electrically non conduc-
tive material or an isolated metal barrier.
Barbed wire or razor wire shall not be electrified by an en-
ergiser.
A non-electrified fence incorporating barbed wire or razor
wire may be used to support one or more off-set electrified
wires of an electric animal fence. The supporting devices
for the electrified wires shall be constructed so as to ensu-
re that these wires are positioned at a minimum distance of
150 mm from the vertical plane of the non-electrified wires.
The barbed wire and razor wire shall be earthed at regular
intervals.
Observe the marked text !
Follow the energizer manufacturer's recommendations re-
garding earthing.
A distance of at least 10 m shall be maintained between the
energiser earth electrode and any other with the earthing
system connected parts such as the power supply system
protective earth or the telecommunication system earth.
Connecting leads that are run inside buildings shall be
effectively insulated from the earthed structural parts of
the building. This may be achieved by using insulated high
voltage cable.
Connecting leads that are run underground shall be run in
conduit of insulating material or else insulated high voltage
cable shall be used. Care must be taken to avoid damage
to the connecting leads due to the effects of animal hoo-
ves or tractor wheels sinking into the ground.
Connecting leads shall not be installed in the same con-
duit as the mains supply wiring, communication cables or
data cables.
Table BB 1 - Minimum clearances from power lines for electrical animal fences
Power line voltage ( V )
1000
> 1000 and
33000
> 33000
If connecting leads and electric animal fence wires are
installed near an overhead power line, their height above
the ground shall not exceed 3 m.
This height applies to either side of the orthogonal projec-
tion of the outermost conductors of the power line on the
ground surface, for a distance of
–
2 m for power lines operating at a nominal voltage not
exceeding 1000 V;
–
15 m for power lines operating at a nominal voltage
exceeding 1000 V
Electric animal fences intended for deterring birds
household pet containment or training animals such as
cows need only be supplied from low output energizers to
obtain satisfactory and safe performance.
In electrical animal fences intended for deterring birds
from roosting on buildings no fence wire shall be groun-
ded if the fence wires are not connected to metal parts. If
one wire is connected with a metal part ( i.e. a gutter) or a
metal structure of the building these metal parts must be
grounded.
A warning sign shall be fitted to every point where persons
may gain ready access to the conductors.
Where an electric animal fence crosses a public pathway,
a non-electrified gate shall be incorporated in the electric
animal fence at that point or a crossing by means of stiles
shall be provided. At any such crossing, the adjacent elec-
trified wires shall carry warning signs.
Any part of an electric animal fence that is installed along
a public road or pathway shall be identified at frequent
intervals by warning signs securely fastened to the fence
posts or firmly clamped to the fence wires.
Connecting leads and electric animal fence wires shall
not cross above overhead power or communication lines.
Crossings with overhead power lines shall be avoided
wherever possible. If such a crossing cannot be avoided it
shall be made underneath the power line and as nearly as
possible at right angles to it.
If connecting leads and electric animal fence wires are
installed near an overhead power line, the clearances shall
not be less than those shown in Table BB1.
Clearance ( m )
3
4
8
The size of the warning sign shall be at least 100 mm ×
200 mm.
The background colour of both sides of the warning sign
shall be yellow. The inscription on the
sign shall be black and shall be either
–
the symbol of Figure BB1, or
–
the substance of
CAUTION: Electric fence.
The inscription shall be indelible,
inscribed on both sides of the warning sign and have a
height of at least 25 mm.
Ensure that all mains-operated, ancillary equipment con-
nected to the electric animal fence circuit provides a de-
gree of isolation between the fence circuit and the supply
mains equivalent to that provided by the energizer.
NOTE 1 Ancillary equipment that complies with the requi-
rements relating to isolation between the fence circuit and
the supply mains in Clauses 14, 16 and 29 of the standard
for the electric fence energiser is considered to provide
an adequate level of isolation.
Protection from the weather shall be provided for the an-
cillary equipment unless this equipment is certified by the
manufacturer as being suitable for use outdoors, and is of
a type with a minimum degree of protection IPX4.
PART 3: ELECTRIC SECURITY fENCES
for Electric Security fences special hints are valid for
the mounting and installation – ask for Annex BB2 and CC
of EN 60335-2-76 with SECURA SECURITY.
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