Gallagher MR2500 Guide D'installation page 4

Important Information
• 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 the table below.
Minimum clearances from power lines for electric animal fences
Less than or equal to 1 000
Greater than 1 000 and less than or equal to 33 000
Greater than 33 000
• 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 either side of the orthogonal projection 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 1 000 V;
- 15 m for power lines operating at a nominal voltage exceeding 1 000 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 electric animal fences intended for deterring birds from roosting on buildings, no electric fence wire shall be
connected to the energizer earth electrode. A warning sign shall be fitted to every point where persons may
gain ready access to the conductors.
• Fence wiring should be installed well away from any telephone or telegraph line or radio aerial.
• 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 electrified wires shall carry warning signs.
• Any part of an electric animal fence that is installed along a public road or pathway shall be identified by electric
fence warning signs (G6020) at regular intervals that are securely fastened to the fence posts or firmly clamped
to the fence wires.
• The size of the warning sign shall be at least 100mm x 200mm.
• 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 substance of "CAUTION: Electric Animal Fence" or,
- the symbol shown:
• The inscription shall be indelible, inscribed on both sides of the warning sign and have a height of at least
25mm.
• Ensure that all mains operated, ancillary equipment connected to the electric animal fence circuit provides a
degree of isolation between the fence circuit and the supply mains equivalent to that provided by the energizer.
• Protection from the weather shall be provided for the ancillary 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.
This energizer complies with international safety regulations and is manufactured to international standards.
Gallagher reserves the right to make changes without notice to any product specification to improve reliability,
function or design. E & OE.
The author thanks the International Electrotechnical Commission (IEC) for permission to reproduce Information from its
International Publication 60335-2-76 ed.2.0 (2002). All such extracts are copyright of IEC, Geneva, Switzerland. All rights reserved.
Further information on the IEC is available from www.iec.ch. IEC has no responsibility for the placement and context in which the
extracts and contents are reproduced by the author, nor is IEC in any way responsible for the other content or accuracy therein.
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SERVICE OF DOUBLE-INSULATED APPLIANCES
In a double-insulated controller, two systems of insulation are provided instead of grounding. No equipment
grounding means is provided in the supply cord of a double-insulated controller, nor should a means for equipment
grounding be added to the controller. Servicing a double-insulated controller requires extreme care and knowledge
of the system, and should be done only by qualified service personnel. Replacement parts of a double insulated
controller must be identical to the parts they replace A double insulated controller is marked with the words
"DOUBLE INSULATION" or "DOUBLE INSULATED". The symbol for double insulation
appliance.
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Power line voltage V Clearance M
3
4
8
may also be marked on the