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- 7 Oct 2018
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I know that all calculations say no but this is the situation and I'm looking for a solution.
There is the house that has and electric 15kw heating boiler plus the other household equipment, like cooker, kettle etc. All run from single phase 16mm^2 main cable and protected by 80A fuse in cut out. Main cable to house cut out is 16mm^2 as well. This is all good, now the problem..
There is an outbuilding where my friend want to install same 15kw boiler plus other workshop equipment, like welder, air compressor etc... no commercial use. There is a second meter and cut out there connected by 16mm^2 cable and protected by 80A main fuse. The problem is that main cut out cable is looped from main house cut out so there is a 16mm^2 cable coming to property and is split to 2 different cut outs/meters so eventually he would be running 30kw in boilers through 16mm^2 underground cable plus all the other equipment.
In theory all 2 circuits will be protected and fine on their own but the problem is in main cable. I'm afraid it will get fried. I contacted local DNO and they said that they can upgrade it to 3 phase but it will cost a lot.
Any ideas??
There is the house that has and electric 15kw heating boiler plus the other household equipment, like cooker, kettle etc. All run from single phase 16mm^2 main cable and protected by 80A fuse in cut out. Main cable to house cut out is 16mm^2 as well. This is all good, now the problem..
There is an outbuilding where my friend want to install same 15kw boiler plus other workshop equipment, like welder, air compressor etc... no commercial use. There is a second meter and cut out there connected by 16mm^2 cable and protected by 80A main fuse. The problem is that main cut out cable is looped from main house cut out so there is a 16mm^2 cable coming to property and is split to 2 different cut outs/meters so eventually he would be running 30kw in boilers through 16mm^2 underground cable plus all the other equipment.
In theory all 2 circuits will be protected and fine on their own but the problem is in main cable. I'm afraid it will get fried. I contacted local DNO and they said that they can upgrade it to 3 phase but it will cost a lot.
Any ideas??