Electricity in the Garden

The wide range of electrical garden equipment - such as lighting, pumps, tools and heaters - is a real benefit to modern gardeners. But we have to bear in mind that electrical equipment is bound to be affected by the various kinds of moisture that are an inherent part of gardening – which can lead to electric shocks and even electrocution. The Department of Trade and Industry says there were three fatalities from electricity in the garden in 1996 and this has increased in the last decade to eight deaths in 2004.

One of the easiest ways to avoid harm is to use low-voltage equipment such as rechargeable or solar-powered items. Many power tools, especially those from hire shops run at 110 volts rather than the standard 240 volts supply, which means they come with a transformer. Low-voltage garden lighting systems and soil-heating cables are also available.

Mains equipment, including transformers used with low-voltage gear, should be used with a RCD (residual currant device) which detects some electrical faults and disconnects the supply before harm results. Ideally you should add an RCD to the main switchboard, or to the socket used for garden purposes, as this ensures protection, but if that isn’t possible, use a plug-in RCD. Be sure to use the test button on the RCD to make sure it works and investigate for faults if it trips.

Ideally, extend the domestic supply into the garden using special outdoor fittings. Because greenhouses and sheds tend to become damp, waterproof fittings are sensible here too. Testing every three years or so is sensible.

Unplug equipment before making adjustments, clearing blockages or untangling flex. Wearing rubber footwear will also reduce any risks, although heavier boots are necessary when mowing or strimming.

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