Discuss Help - melted plug - why? in the DIY Electrical Advice area at ElectriciansForums.net
The moulded plug and flex, where did that come from?
It isn't the best idea to load a 13A plug up to 3kw and I suspect this has been occurring for some time judging by the damage.
I think a re-think is necessary. As its your business, I would suggest employing an electrician, and your set re-designed.
Do you leave the flex coiled up when in use?So how to I safely get power to the immersion? Need to be able to connect and disconnect via plug as it's in a van!
The other chap who I do this with has a less manly flex and although his gets hot, it's not meeting hot.
Do you leave the flex coiled up when in use?
Hi - observation is the 13A plug melted when used at about 13A. A 13A fuse won't blow when there's a 3kW load and no fault, but maybe there was a bit of corrosion/tarnish on the 13A fuse and that made it a bit more resistive and so it ran hot? Anyway, perhaps a new circuit from your CU with 16A socket and plug would fix this?
View attachment 37691
ON a dedicated circuit thoughHi - observation is the 13A plug melted when used at about 13A. A 13A fuse won't blow when there's a 3kW load and no fault, but maybe there was a bit of corrosion/tarnish on the 13A fuse and that made it a bit more resistive and so it ran hot? Anyway, perhaps a new circuit from your CU with 16A socket and plug would fix this?
View attachment 37691
Would a 16A socket and plug suffice? - running a new circuit off the CU would be a ball ache due to its location.
ON a dedicated circuit thoughHi - observation is the 13A plug melted when used at about 13A. A 13A fuse won't blow when there's a 3kW load and no fault, but maybe there was a bit of corrosion/tarnish on the 13A fuse and that made it a bit more resistive and so it ran hot? Anyway, perhaps a new circuit from your CU with 16A socket and plug would fix this?
View attachment 37691
If you're going to use a 16 Amp plug and socket, then it's a dedicated circuitWould a 16A socket and plug suffice? - running a new circuit off the CU would be a ball ache due to its location.
Does this "Neutral" issue mean it will dislike you fitting an RCD to external sockets ?
(very un-fit product)
Of course it doesIt has little to do with the fact it should be on a dedicated circuit but more that the plug top fuse has endured excessive current but a 16A socket is the solution.
The Wi-Fi plug thing, isolating the neutral but not the live, cannot be right. This would turn 'off' anything connected to, but the device would still be 'live'. I doubt very much, if this is how it's designed. So you either have a connection problem, or your 'testing device' is wrong.I don't know? Would it?
Another consideration, is what type of supply you have, as I assume you set up is somehow fixed into your van?
Edit; Pete got there first
Reply to Help - melted plug - why? in the DIY Electrical Advice area at ElectriciansForums.net
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