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Thanks Kai, I will check all the connections for the dissy board tomorrow.

Thanks for the replies, The tail that ruptured the fuse was warm throughout its length of 8", the others were warm but not as. The fuseholder was so hot I dropped it when I pulled it out. When they had finished for the night I removed the replaced fuse and put it back into the other part of the...

Need some advise as this is new territory to me. Working in an engineering firm today and at 5pm the laser cutter stops and so do a few other bits of kit. Traced to loss of a phase due to the main service head fuse blown, each phase is fused at 100 amp. Owner call DNO who will send someone...

Sorry but you have been given lots of advise on this and they all point in the direction of trust your sparky. Size of swa depends on load. Plastic sockets or metal, depends on if your garage is full of crap or a you can use it for a car. Mine are all metal as its a store and things get...

I would recommend that you re post your problem with make, model and fault in the central heating part of the forum, they will sort this out for you.

Have they got small kids, caught my 5 year old throwing toys at mine.

Disconnection times for a TT spike in a sand dune are difficult to achieve.

Agree with above, I have worked with homeowners who have done some work and assisted. I have also told them that if I see any additional work or come across anything that I have not said to do then I will spend all of my time testing and doing a visual so the money they save will soon be lost. I...

All sorted now, wiring diagram found on trawling the net. Faulty part on boiler was leading me up the garden path.

HELP, I am pulling my hair out. FAULT, pump running cont. Rental property and new tenant noticed this fault. The control terminal box was piped over by the plumber so box lid I had to break off. Found the orange wire from the Danfoss 3 port valve disconnected and pump connected to mains in. (Y...

Cable ties. :shock:

Some of the submersible pumps at my old empolyer were 2 speed with the windings linked internally for each speed. Caught many of us out on the first time of meggering during fault finding. How many wires are coming into the terminal box?, did you disconnect the star links in the terminal box? A...

Personally I do test any equipment that is connected to the fixed installation via a fscu. The Code of Practise calls for it and when else would it get inspected and tested, its not done in any PIR as this stops at the feed side of the fscu. It is a decision only you can make with the training...

If you feel strongly about this shoddy work then make a formal complaint to NICEIC, his work should be covered by insurance through them and they may take action against him. If your spec is for RCBO's then they should be fitted. If its in writting then take him to court. With 2 wires in each...

Has the inverter got a flc ramp time setting, this may be set to low for when the heater load is applied and tripping the inverter.

The yellow thing is a neon indicator to show where the switch is when the power is off. It is normal for this switch to be used in industrial premises and when the lights are off the person who opens them up can see where the switch is. From the look of your wiring you will need to remove the...

The carpet is the neatest part of that install. :D

Just ring them again and tell them you can hear something fizzing and can smell something burning. They might come a bit quicker. That might be what what RF means of knowing what to say. :shock:

There is a figure of 22k ohm resistance for a lump of metal to be just a lump of metal and not an extraneuos conductive part. A simple insulation test to earth would confirm if this framework is a lump of metal or indeed an extraneous conductive part which requires bonding.