New handbook for electrical installations in dairy sheds

摘要

Standards New Zealand has published a new handbook on electrical installations in dairy sheds, SNZ HB 6117:2014. It provides the recommended trade practice on how to build dairy sheds that minimise stray voltage, which can disturb cows.Users of the handbook include electricians and electrical designers that help to build dairy sheds. It may also help farmers and farm vets to recognise when an electrical problem is affecting cows. Dairy farming is an important contributor to New Zealand's economy and the sales of dairy products overseas make up a large part of our export income. Farmers strive to keep their cows healthy and, as far as possible, happy and contented, as this has a big influence on their milk production. However, stray voltage in dairy sheds can agitate cows and impact on their milk production. Stray voltage can be caused by faulty installation or bonding within a dairy shed. When this happens, it can cause a microshock and the cows may recoil when entering or exiting the shed. They may cause.