Recent content by intrinsicallysafe

I've been handed a job by my boss which is to inspect a workshop type container. The workshop has 3 16A type 110v industrial sockets. The problem is that the manufacturer has not provided a means of isolation other than the MCB which I wouldn't class as being at all local to the outlets...

Electronicsuk, You are correct that an I.S circuit is simply a limited energy circit. The device which does this is the I.S barrier (this device should be located in a safe area but can be installed in a hazardous Zone if mounted in a flameproof enclosure). The barrier limits the energy...

TJ, I've never worked on spray booths, always O&G installations. In Zone 0 you are only allowed to install I.S (EEx ia not ib) equipment all of which is 24v. The starter you wish to install will have to be fitted outside of Zone 0. If you have a EEx d (flameproof) enclosure for the...

It's more based on methods of protection i.e... EEx d, e, i and n etc. Not much to do with electrical theory. You may struggle if you have never installed this equipment before but if you read up before hand it should be a walk in the park. There are also practical assessments which...

I know of a training center in Chester if that helps. www.epsilon-ltd.com

If you're with the NIC they will require that you have the COMPEX EX01, 02, 03 and 04 certification. This scheme is run by JTL and there are a few training centres which run this course (5 days). I would also advise your PLI is up to date and covers you for this work. I.S

Sorry, If you're going on the course you will need GN3 anyway. Have a look and you will see, there are clear diagrams for all tests. Suggest you borrow a mates tester and do a bit of practising. If it's 2391 you're doing then the course will not teach you how to test, you are expected...

Why not extend the ring cct? Or Change the existing spurred socket to an FCU then power additional sockets from the load side.

Good luck, Think you're gonna need it! Try Guidance note 3, that should help.