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Thanks : what about the wiring, are they 2 core 4 core etc are they wired back to the panel similar to an alarm system where would you get a wiring diagram to install a system

Hi: comimg from a domestic background now have a job that requires a fire alarm panel siren etc where can I get a wiring spec for one ??

Still thinking about this one..........

Hi Looked at a house today to do some electrics in. house out in the country, you drive over a small bridge thats approx 40 mtrs from the front door. Bloke would like some form of senser at the bridge that provides an audio alarm in the house when a vehicle drives in. Anyone point me in the...

Hi: looked at a job today, house in the country, you drive over a small bridge towards the drive,approx 30 Mtrs from here across the drive to the front door. He would like some form of sensor at the bridge that sets of an audible alarm in the property if a vehicle drove in. Anyone point me in...

Well any updates on the renewable energy plan ??????

Hi On a circuit with a type c mcb wired in 10 mm t&e cable to get the Zs down for the type c when calculating I can use a 10 mm cpc. Is it permissable to use the 4mm in the t&e with an additional 6mm ?? or will I have to run in a seperate 10mm cable. views please thanks os

Its an odd one when you consider you can spur of a house ring and supply a socket and light in a garage or a 10 socket ring you can have 10 spurs all perfectly above board but this is the first time Ive ever looked at a socket from the cooker circuit.

Thought about that, I was just thinking about having the socket behind the fridge and isolator near the cooker switch with no flex visable

Would it be clasified the same as a combined switch/socket ??

Hi: Guy needs a socket at the end of his kitchen for a fridge. real wooden floors in the bedroom above, nearest socket is on the other side of the cooker and walls are tiled. the nearest power point is the cooker switch. I know you are aloud to "step down" but can you do it from the cooker...

Got the picture now, thanks. few grey cells damaged over the years, you know how it is..... Thanks os

Hi tekkiesteve, its the Phase Earth loop linearity test part it says Connect the tester to the 13 amp socket on the check box. Connect the instruments bonded metal probe set to the instruments under test and note test reading with a probe applied to the green socket marked loop. needs a...

Asked to put an external socket in for a guy. went round, meter cupboard had two consumer units TT earth 100mA trip sockets and shower all on 30mA trip "see youve had a rewire done " yea a few years back all looked ok. stuck the socket in job done. two days later phone call " my lights went out...

Got a question about this unit if anyone has one, its about the loop test

Yip: there on the schedule of circuit details. ****** paperwork, dont they just love it,,,,,,,,,,,,,,,,,

Cheers: sometimes you need to clarify. Os :)

Sorry for confusing you all. got most of the answers apart from the installation one, as I said if half the lenth of your circuit is pulled through joists and half is drawn into pvc conduit and then plastered what is the correct installation method to record on the cert. know what I'm after...

Sorry..... C is on the cert for PVC cables in non metallic trunking OS

Hi: on a TT system what Ze would you use to base a circuit design on. Where it says on the EIC Electrode resistance is that a standard test for Ze or is it the actual resistance of the rod. If putting 2 ring mains through the same hole in Joists there are 4 cables and 2 circuits do you...