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Ok so to get a proper correct figure disconnect the bonding to the water and gas (as pictured)? I think I may get the service provider to see if they can PME the earth but obviously the Ze needs to be below 0.35 for them to do this, if so is the main rcd ok to remain?

Trying to clear something. Up here as there are so many conflicting answers. I'm getting over 200 ohms earth loop at sockets in a property on a TT earth arrangement, what is the maximum permissible ?

Will loose the 12volt supply

Ok I will add this to ask how I do it, on the 12volt side which powered the coil and the mag locks I want to put in a colour change LED green for unenergised and red for energised

The coil is 12volt dc apologise

Ok so it says pc mounted but that holder does the job?

Where the + & - go into the coil I will have my cable going from that point to the mag lock as when it is energised the mag locks will work and the secondary side of the relay will go N/o The relay Bernardgreen kindly sujested says AC will that be a problem as it's DC on the 12volt side

Says Ac ??

Ok I will explain 12volt coming into a mag lock above the door I have to take that into a relay with 12volt coil then onto the door mag lock, in the daytime the maglock is not powered (controlled by a building management system) on the secondary side 24volt volts would flow through the relay on...

I have a 12volt magnetic door lock which Is used at night time to secure a department in the building I'm working on unfortaintly there are door hold back in the door energised by 24volts, when the door is opened at night using a badge access system the person opens the door and then they are...

What about this one 141347848339

I have x4 12volt 7.2Ah lead acid battery's in series so 48volt would this charger be ok ? eBay number 192039854719

I have a Crompton lamp (par 38) 80watt 240volt which is used in a disco PAR light, the face of the lamp is 120mm wide and the fitting is Edison screw, what I would like to do is replace with a low energy LED lamp, can this be done ?

my mother microwaves her plates to heat before serving last night the microwave blew up, the machine is leas than a year old is it right ?

Trying to work this out with the guys, answer please

Just 1 ring cct on a 32amp breaker proberbly providing a few hand drills radio kettle / a radial to a 2.5kw wall heater covered by a 16amp breaker / and 2 light fittings 58watt each inside and a couple of lights outside 50watt each covered by 6amp breaker the main switch on the cu 40amp rccb

Just building a man cave in the garden and need to feed twin and earth down into insulation which will be Rockwool between the outer slatted wall and inner 12mm ply, do I take the cable through the Rockwell or behind it

Help on this please

Wrong apparently it's a negative answer

So what's the answer ?