Yes, if any changes or extensions are made to the fence a re issue of the certificate is required. However if it is just a repair of the fence it is not required.
There can be many faults that cause an alarm condition, if you can’t see any obstructions on the fence like a broken or snapped wire, twisted wires, loose HT cables or fence wires unclipped from insulators and touching your steel bracket it may be an energiser fault.
The voltage on energisers are regulated and a maximum permissible voltage by law 10000 volts, although low voltage can be caused by insufficient earthing.
All energisers supplied by fencing boys come standard with a battery backup. Backup up periods are usually between 8 to 24 hours. Other backup systems are also available to last up to 8 to 10 days.
Generally a battery should last about 2 years but this time could be shortened by the amount of blackouts and the duration of blackouts. A faulty charging unit could also cause the battery to have shortened life span.
No. As a rule, cats avoid electric fences. They are extremely perceptive to the electromagnetic fields as a result of induction, which causes electrostatic energy. Rub a plastic ruler up and down your arm: your your arm hair becomes full of static - Right! Cats experience the same thing, and so tend to avoid an [...]