A suburban observatory in Worcestershire, UK based on a metal garden shed

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  Construction 10 - External Electrics



The observatory is served by an electrical feed from an outside socket on the side of the house.  This a double switched socket with integral RCD and rated to IP65.  The feed is a 22 metre (72 feet) length of heavy duty three core flex with a 2.5 mm wire cross section.  This flex runs through polyethylene water pipe set a minimum of 30 cm (1 foot) below the patio and lawn with electrical warning  tape above the pipe.  Water pipe was chosen because it is tough, flexible (to a point) and would have no underground joints; thus preventing water and creepy-crawlies getting into the pipe.


  A second length of water pipe was laid next to the one carrying the flex.  This carries two lengths of nylon cord and was installed so that network cabling could be installed later as required.
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Last updated -  7th January 2007

Copyrightę 2006-2007 Michael Morris