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THUNDERBIRD ANIMAL FREE

A switch should be installed to provide a means of isolating the controller from all poles of the supply and clear warning notices should be fitted at every point where persons may have ready access to the conductors.

Where the energiser is to supply a system of conductors used for detering birds from roosting on buildings, no conductor should be connected to earth.

It is recommended that the basic colour of the sign be yellow inscription. Any lettering should have a height of at least 25mm. The inscription on the sign should take the form of either the symbol below of the words “ELECTRIC FENCE”. The signs should have a size of 200mm x 100mm. An electric fence, when installed in such a position that members of the public might reasonably be expected to touch it, should be identified by suitable signs clamped to conductor or fastened to the post at intervals at regular intervals.

Fence wiring should be so installed that it is well away from telephone or telegraph line or radio aerials.If an electric fence has to be installed in the vicinity of an overhead power line, the vertical distance between any fence wire or connecting lead and surface of the earth should not exceed 2 metres. If such a crossing cannot be avoided, it should be made underneath the power lines and as nearly as possible at right angles to it. Fence lines crossing beneath overhead power lines should be avoided wherever possible.Each energiser should be connected to a separate earthing peg, at least 10 metres away from any other earthing device.

THUNDERBIRD ANIMAL FREE

If mounted outdoors, they should be mounted on a substantial structure in a position free from mechanical damage.

Energisers should, if possible, be installed inside a building in a position free from the risk of mechanical damage.

Only one energiser may be connected to a fence.

Check for arcing insulators or other arcs.

Do not run live wires along or close to phone lines.

All connections must be clamped tight on live and earth wires and have good connections to eliminate arcing.

Make sure energiser’s earth or earth wire is not in contact with a large amount of metal above the ground.

Be sure the energiser’s earth is 10 metres away from the mains power earth.

Improve energiser’s earth (see earth testing data sheets).

The problem is the mains power supply or the energiser.

The mains power supply earth needs to be adequate.

Earth Radio and provide a better aerial to the radio.

Make sure no loose connections are present on mains plugs and sockets of energiser or radio.

To start disconnect the energiser from the earth and fence. Thunderbird energisers have radio interference suppression circuitry, however, problems can still occur from a number of causes.