<p>When you purchase Wattson you will be provided with a single sensor clip. Most houses in the UK use single phase electricity and only require one clip to measure.</p> <p>Some premises may have 3- phase electricity installed, this is normally for houses with larger electricity loads and most businesses. To measure three phase electricity you will need to purchase 2 extra clips.</p> <p>Please check your electricity meter before making this order. <br />If you are unsure about your electricity meter please contact technical@diykyoto.com.</p> 2007-10-17T10:59:07+01:00 clip-for-2-or-3phase-system 846032 clip 2007-10-17T10:59:07+01:00 2007-10-22T11:48:10+01:00 DIY KYOTO When you purchase Wattson you will be provided with a single sensor clip. Most houses in the UK use single phase electricity and only require one clip to measure. Some premises may have 3- phase electricity installed, this is normally for houses with larger electricity loads and most businesses. To measure three phase electricity you will need to purchase 2 extra clips. Please check your electricity meter before making this order. If you are unsure about your electricity meter please contact technical@diykyoto.com. 2007-10-17T10:59:07+01:00 manual 100 1747292 shopify continue -33 Default 1 12.95 846032 true DIYK-CLP1-REDP-UK true 2010-03-09T07:18:38+00:00 2007-10-17T10:59:07+01:00 1659522 1 846032 2007-10-22T11:48:10+01:00 http://cdn.shopify.com/s/files/1/0001/7983/products/clipclosed.jpg?1268161746 2007-10-17T10:59:07+01:00 1659532 2 846032 2007-10-22T11:48:10+01:00 http://cdn.shopify.com/s/files/1/0001/7983/products/clipopen.jpg?1268161746 Title