Discuss Swa cabling above ground in the DIY Electrical Advice area at ElectriciansForums.net

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I am volunteering at a disabled riding school charity and have been been donated a hay steamer that we want to get running. However, the quote we have been given to upgrade the wiring to support it exceeds our funds. I'm trying to find a cheaper way to do it by avoiding changing existing wiring where I can. Basically I need to fit a waterproof ip44 socket on one end of the stable block and then run a swa cable 50 metres down the back of the stable building to the consumer unit at the other end. The steamer is 2.9kw. I plan to ask an electrician to do the hook up to the consumer unit when ready. A. Few questions...

1. Can I just clip the swa cable to the wooden building about 150mm from the ground.? (There is no traffic at the back.)

2. Will 2.5mm 3 core swa over 50 metres be OK to support a 2.9kw heater? (I've looked at the tables which seem to say that 50m in normal cable it would need to be 4mm but swa 2.5mm and I don't understand why they are different.)

3. Is an electrician likely to be OK with taking on just the hook up aspect of a job?
 
Some electricians would be happy to advise which cable to use, being it a charity and letting you do the donkey work.... no pun intended.

The electrician doing the connecting up also needs to test and certify the installation. Especially for insurance purposes regarding the users of the site.
Get some quotes for the full job, and negotiate a possible discount for you doing the running of the cable. You might get a good deal.

just don’t go buying a length of cable and finding out it’s the wrong size.
 
Minimum size will be at least 4mm to comply with volt drop requirements.
 
Minimum size will be at least 4mm to comply with volt drop requirements.
OK thanks
Some electricians would be happy to advise which cable to use, being it a charity and letting you do the donkey work.... no pun intended.

The electrician doing the connecting up also needs to test and certify the installation. Especially for insurance purposes regarding the users of the site.
Get some quotes for the full job, and negotiate a possible discount for you doing the running of the cable. You might get a good deal.

just don’t go buying a length of cable and finding out it’s the wrong size.
OK Thanks Littlespark
 

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