To clarify some of the above queries and remarks;
I did my electrical qualifications in late 70's and through to mid 80's. As displayed on my certificates from all those years ago, the following notation was used.
A and B were done during my block release apprenticeship
C and onwards were done after my apprenticeship completion, on a full day/2 nights basis (I had to also earn a living).
A Certificate C and G 2361 (1978)
B Certificate C and G 2362 (1979)
C Certificate C and G 2363 (1985) (the 15th Edition appeared at the outset of my taking the C Course and hebce
Electronics C and G 2364 (1984)(this relates to the above comment and jpg image which refers to 'part 4')
Testing Methods for Plant and Equipment, together with Utilisation of Electrical Power C and G 2323 (1984)
The 15th Edition appeared at the outset of my taking the C course (the A and B were done on the 14th Edition) and hence the course and project were done to the latest and current standards.
A Certificate was two written and course work assessment
B Certifcate was two written (Electrical Principles and Installation Work/Regs)
C Course was two written (Electrical Science and Installation Work/Regs) and project (completed through 2nd year) mine was a fire station, you were expected to do a minimum number of hours on the project, but in reality if you wanted to do a proper job, it was likely 3 to 4 times that.
Electronics was one written
Testing Methods was one written (this was nothing to do with the 2391, it covered much more than 2391 ever does)
Utilisation was one written
Obviously you had to complete the academic periods to be elegible to sit the exams and were also assessed through and at the end of that period.
All the above I used to progress towards my HNC in electrical Engineering, each of the foregoing were 'credited' towards the ONC (Building Services) and HNC (Electrical Engineering).
In my opinion after some 36 years in the electrical contracting industry, now an electrical engineer/manager, the above qualifications are all valid and recognised within the industry and professional and technical bodies (IET and Engineering Council, etc).
I honestly believe as commented on above, the previous courses and technical qualifications far outstrip the current requirements, they were more indepth, carried out over a longer period and were more thoroughly acquired within the examination criteria.
Whilst I have in the last 3 years obtained 2391, having had to obtain this whilst at one company to enable me to sign off test and inspection sheets (I also conduct testing from time to time), the 2391 is a completely different qualification to the 2363 (C course).
2391 bears no resemblance to it, either in depth or scope but is merely a specific electrical qualification as it title implies. It is not the 'next natural' progression from 2363, never will be and appears very much orientated around the 'domestic' installation.
If you consult the IEE Regulations to enable testing and inspection to be undertaken, you require competence.
If you further consult the Regs, competence is defined as having relevant practical skills, sufficient technical knowledge and experience relative to the nature of the work undertaken and fully versed in the test and inspection procedures set down by the Regs.
Again in my opinion, too many 'chase' the 2391 more for the fact that it is 'more likely to get them a job' but having undertaken large volumes of electrical defect rectification from completed test and inspection sheets from operatives with 2391, it is apparent to me that many people posses the 2391 who are both very limited in their electrical knowledge and unfamiliar with the work undertaken. (example - defect stated as 'no protection on secondary of CT').
Testing was originally done as part of the apprenticeship but it now requires that a seperate qualification is required, however provided you can demonstrate the 'competent person' criteria above, I consider the 2391 is not necessary but accept that possessing it does contribute partly but wholly to demonstrating that competency.
Hope this clears up some of the uncertainty and apologies for the 'rant' over old and new qualifications, in particular 2391.