CompEx 01-04 (Failed Ex04)

[AyresomeBoro]

I sat the CompEx 01-04 course for the first time back in July. The results came in the post on Saturday and I have failed 1 of the 5 units -

Ex04: Inspection and maintenance of Ex i systems

Quite relieved if I'm honest as the installs are quite intense!

Does anyone have any tips for the inspection of Ex i systems? If I can remember they are looking for visual, close and then detailed inspection. I think it is required to find 5(ish) faults on each type of inspection.


Thanks.

 

[christhescott]

I did my 5 year refresher about a week ago. Don't know if I passed or not, should find out soon.

I think for ex i inspections

Visual - enclosures should have blue is labels, damage to cables etc, missing blanks etc, ambient temperature correct for apparatus, equipment correct for zones.

Close - basically use the documents to check equipment is correct for the gas group, equipment manufacturers are correct, glands match specification etc.

Detailed - open the panels up check for loose connections , damaged or incorrect terminals, segregation of i.s and power circuits. zenner barriers round the right way, check terminations match drawings.

Make sure once you find a fault, or once you've found all the faults for 'close' etc you need to write down beside them what number on the inspection sheet they have failed.

Hope that makes sense, I've just switched to nightshift and my head is up my arse but If I think of anything else I'll post it up later

Chris

 

[timbobelfast]

With 'Intrinsically Safe' keep an eye on the IS earth to make sure it is clean.
From memory they always have an IS barrier turned upside down.

Eg - Non IS circuit connected to the IS side of the barrier.

Most guys do struggle with this part of the course.

What centre did you take it in?

 

[AyresomeBoro]

Thanks for the replies.

I done it at TTE Middlesbrough. Trying to get a re-sit date asap, the longer I leave it the more I'll forget!

 

[Cbuk2k2]

Are there not model inspection forms in your training material/toolbox guide?

It's not normally that tricky.

Is everything wired as per the drawing, have they used the wrong make/model of components. Is the screen wire grounded as per the drawing. Are spare cores grounded. Have they got IP washers and earth tags where they need them.

 

[Cbuk2k2]

I've got a few sets of notes on it if you PM me your email I'll try and look some out for you.

 

[AyresomeBoro]

I'll PM you now, got re-sit next week.

 

[Nazeer Ahmed]

Attending compex training EX01 to EX04 next week, Need help regarding inspection part

 

[Pete999]

Attending compex training EX01 to EX04 next week, Need help regarding inspection part

What is your question Naz?

 

[Nazeer Ahmed]

Just need tips regarding inspection part of EX02 and EX04, as I have attended 2 years before and failed in these and re sitting for all 4 modules

 

[AyresomeBoro]

Still waiting on results/certificate from this! Assessor was great and seemed pleased with how I'd done second time round so I'm quietly confident.

 

[onlyme72]

Still waiting on results/certificate from this! Assessor was great and seemed pleased with how I'd done second time round so I'm quietly confident.

Hi sat my compex refresher and failed on the installation board any help would be great

 

[onlyme72]

What is your question Naz?

Hi pete i sat my compex refresher and failed the installation board not sure what there after any help would be appreciated

 

[jimbo007]

Hi My name is Jimbo, I'm struggling with the revision for my resit exams for Compex inspection Ex 02 power and Ex 04 IS inspection. tomorrow I'm getting old and tired so any help would be very much appreciated > I see you had some notes on the subject.
My e-mail [email protected]
Many thanks and kind regards
Jimbo

[/QUOTE]

I've got a few sets of notes on it if you PM me your email I'll try and look some out for you.

 

[martinclar]

I've got a few sets of notes on it if you PM me your email I'll try and look some out for you.

Hi.....can you please send me a set of your notes as I have the course soon and need to refresh myself on these things.