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Can any one give me any information about a 10 year old Paxton door entry system. First question, the 12 Volt lead Acid battery, I assumed was to keep the system running or open the latch in the event of power failure. I am told not, but not what it is for. next question, the internal 12...

Yes I remember Zone 3, I believe that was brought in because of the trend for Bathroom on Suites, so to recap then, you can instal a IPX4 Appliance in a bathroom as long as the FCU is over 600 mm from Zone 0, and the supply for it will not require any Earth leakage protection, to be retro...

So, if the electrical installation complies with the 17th or 18th and the FCU is more than 600mm from Zone 0, (which it was) its ok. If on the other hand, the installation complies with earlier wiring regs its a no go ? Is that the general synopsis. Thanks for the quick response.

Just spent a few days renting a Holiday apartment (in England), and was surprised to see a WM installed in a very small Bathroom, further inspection reviled it was wired directly to a switched FCU, and I would also suggest it was located only about 18 inches or 450mm away from the bath. ie Zone...

Need some advice, for a work College, regarding a small single phase 240V 50 Hz, 270 Watt, Squirrel Cage Motor, it appears to run correctly and at the the right speed, but gets very hot, even with out any load, and according to the reading on a calibrated Clamp Meter pulls 9.5 Amps on start and...

Many thanks for the informed response. The inquiry was in relation to a story that a certain Radio (model PCR) made by the Pye company was distributed amongst French Civilians and I assume also the resistance before the invasion, so they could monitor BBC Radio transmissions, for coded messages...

Does anyone know how widespread the 230 Volt AC Supply system was in France during the later War years, 1942 onwards. Or what was the most common domestic voltage and system ? Were there areas of DC, as in the UK ? I cant find any info on the net , any info really appreciated.

I would feel as safe as houses using a AVO 8 with the correct AVO test leads.

I have been informed by some one knowledgeable, that the old style AVO 8 Meter with its copper oxide rectifier is accurate up to 100Khz. So its now time to blow the dust of my old AVO 8. Thanks for the replies, I did find some suggested circuits and methods using a DMM on the net, but the...

Hope some one can help with this one, strictly not a DIY job, but I have been asked at work to measure a 8 Khz, 650 Volt RMS AC voltage to a accuracy of plus or minus 5 volts. Tried several good quality digital meters but they don't appear to respond accurately to AC of that frequency. Did...

Are the socket back boxes from the different makes of Dado Rail Trunking, compatible and interchangeable ?

I have a 2004 Kia Rio 1400 cc, I am told they were fitted with a Mazda Engine, doe any one know what Model Mazda the Engine originated from. Its a single overhead cam 8 valve lump. Any info much appreciated.

A 240 volt electric motor fitted to a machine of American origin, has four connecting wires including the Earth connection, the others are, a red marked L2, a Black marked L1 and a white marked N, could one assume that this is a two phase motor ?

Thanks John, I was beginning to think every thing I learnt in the 70`s was wrong.

OK, I pressed the wrong button, 240v. So what you are stating is that the USA 240V supply is not, as I had previously been informed a two phase supply, but a 120v-0-120v, with both 120`s being in phase, and any 240v appliance or load is connected between. Hence, the need for the start cap. That...

I understand about the 220v 2 phase USA system, however I thought as there is a phase shift in the two supply phases it would not need the cap, but I think what you saying is, as the phase difference would be 180 deg, it then needs a start cap. Incidentally, the Motor has 3 connections...

I have been repairing a machine of American origin that uses a 240v two phase motor. Never knowingly worked on any thing with a two phase motor before, and after reading up, on the principle basically understand it, but this particular example had a 15uF start cap in series with one winding...

Got trouble with a 2000 VW Polo drivers door lock, just wont lock or unlock, cant even press down the door lock lever inside, I have seen refurb kits on ebay for a few quid, how much of a job is it, am I better getting another lock and key from a breakers yard . Any advice appreciated.

I think you may well be be on the right track, it is a old instal. I will go back and have a better look, two earth connections seems familiar. Thanks, really appreciated.