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<blockquote data-quote="matt 68" data-source="post: 502571" data-attributes="member: 33243"><p>Hello All</p><p></p><p>I was looking to find out what size (Kw/watts) greenhouse heater I could safely plug into the supply I currently have in my greenhouse or not .The greenhouse (8ftx6) is 25m from the house and is connected by a 3 core 1.5mm SWA cable.</p><p></p><p>In the greenhouse the cable comes in at ground level into a double socket using a gland,the socket is a rcd protected outdoor type and looks like a BG storm. The socket is mounted on a concrete post set into the ground.</p><p></p><p>The cable is cleated to the concrete fence posts about a foot off the ground all the way to the house then into a wiska box, again with a gland then through the wall to a fused switched spur.</p><p></p><p>The spur is connected to a sockets ring in the garage the ring is on a 32amp mcb.</p><p></p><p>I think the greenhouse socket was originally used to plug the mover in to reach further down the garden.</p><p></p><p>I plan to have the cable run to the Consumer unit in due course as it will reach.</p><p></p><p>Until then any thoughts or calculations on what could be safely used as it is and then when its run directly to the consumer unit would be much appreciated. </p></blockquote><p></p>
[QUOTE="matt 68, post: 502571, member: 33243"] Hello All I was looking to find out what size (Kw/watts) greenhouse heater I could safely plug into the supply I currently have in my greenhouse or not .The greenhouse (8ftx6) is 25m from the house and is connected by a 3 core 1.5mm SWA cable. In the greenhouse the cable comes in at ground level into a double socket using a gland,the socket is a rcd protected outdoor type and looks like a BG storm. The socket is mounted on a concrete post set into the ground. The cable is cleated to the concrete fence posts about a foot off the ground all the way to the house then into a wiska box, again with a gland then through the wall to a fused switched spur. The spur is connected to a sockets ring in the garage the ring is on a 32amp mcb. I think the greenhouse socket was originally used to plug the mover in to reach further down the garden. I plan to have the cable run to the Consumer unit in due course as it will reach. Until then any thoughts or calculations on what could be safely used as it is and then when its run directly to the consumer unit would be much appreciated. [/QUOTE]
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