Would you accept a Ze of 199Ω on a TT Installation which also has an RCD. | Page 3 | on ElectriciansForums

Discuss Would you accept a Ze of 199Ω on a TT Installation which also has an RCD. in the Talk Electrician area at ElectriciansForums.net

Would you accept a Ze of 199Ω on a TT Installation which also has an RCD?

  • Yes

    Votes: 6 27.3%
  • No

    Votes: 16 72.7%

  • Total voters
    22
...I've been in countless filling stations,where people are using their mobile devices,and engines are left running.

The most i have ever heard the staff say,is "Points card,sir?"....:conehead:
 
...I've been in countless filling stations,where people are using their mobile devices,and engines are left running.

The most i have ever heard the staff say,is "Points card,sir?"....:conehead:
don't really think it's an issue though, not heard of any petrol stations blowing up in the UK.
 
I was in Thame service station last year filling up and the tanker was there unloading at the same time . The next thing I know is the driver running across the forecourt after a skip waggon playing bloody hell !?

The skip waggon did not stop , and as the tanker driver was walking back past me he noticed that I was a little bemused , it turned out that the skip waggon driver had just filled up on a self service pump probably whilst still smoking because as he had reversed out to go off ( he had been in a car place and not a dedicated lorry one ) , he had flipped his tab out of the window at the feet of the tanker driver whilst he was still unloading !!!!
The old boy was still raging and said that it was a criminal offence and that he was going to get the video evidence and take it further .
 
don't really think it's an issue though, not heard of any petrol stations blowing up in the UK.

Nor i, it was always a precautionary rule that was generally adhered to in the day's when the petrol station attendants used to fill your car/bike etc at filling stations.... I imagine it's now ALL self service at filling stations in the UK... Not so in Cyprus, all are still attendant service from around 7am up until around 7-8pm then goes over to self service...

You need to see some of the filling stations i've seen in the Middle East and Asia, death traps just waiting to happen, you want to get in and out of there as quick as humanly possible!! And Yes i've seen a few of these establishments go up over the years, not at the time mind you, just seen the results of the aftermath!! lol!!
 
Think it's more of an issue at chemical plant off loading points with liquids such as vinyl acetate not diesel/petrol with different ignition points
 
Think it's more of an issue at chemical plant off loading points with liquids such as vinyl acetate not diesel/petrol with different ignition points

Nope, it's a very real issue at fuel storage depots, it'll be a tin tack job for a driver filling up a bulk storage carrier without first equalising his tanker to the depots equipotential zones pipework. I dare say the same would be the case at filling stations. Many people think that diesel tanks aren't that dangerous, but forget that highly volatile diesel fumes found at the top of all diesel tanks can be just as dangerous as petroleum as far as ignition points/values are concerned...
 
Nope, it's a very real issue at fuel storage depots, it'll be a tin tack job for a driver filling up a bulk storage carrier without first equalising his tanker to the depots equipotential zones pipework. I dare say the same would be the case at filling stations. Many people think that diesel tanks aren't that dangerous, but forget that highly volatile diesel fumes found at the top of all diesel tanks can be just as dangerous as petroleum as far as ignition points/values are concerned...
yes it's obviously an issue at storage depots, but i meant more the issue of phone use at filling stations compared to chemical plant off loading points.
at some off loading areas your not allowed to walk through with a battery powered pocket calculator!!
 
well in theory these do have the joule/watt energy to ignite some types of flammable vapours. And you don't want to be around when a 100M3 vessel goes up.This has happened in the past, a few been in the US, but there was one explosion in the north of England can't remember the sites name at the moment.
Flixborough in 74
 
Last edited by a moderator:
Another myth is the one surrounding risks relating to mobile phone use on a petrol forecourt.
I asked the question twice, once when a Gilbarco engineer was on his mobile, and the second was weights and measures.
Both were of the same opinion.
There is no evidence to support the use of a mobile poses any danger ??
Not saying they are right, but I have never found anything that would say they are wrong ???
 
Doesn't really matter if actually using the phone or not - if it's switched on in your pocket then it's still polling the nearest bases station and gauging signal strength/tx power etc. And like people have said above, how many explosions has it caused. In fact, I think it was Brainiacs or Mythbusters which tested this theory out by ringing a load of mobile phones in a gas filled caravan. Must have been Brainiacs thinking about it! Daz
 
As silly as it sounds it has been taken in to account. Many chemical plants and gas facilites do have a police presence, as is in the Grimsby area.

The east Yorkshire coast one near Holmpton/Withernsea has armed police patrols in the area. Can't remember the name of it. Daz
 

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