School Lab Transformers

JAParkes · Mar 13, 2013

Good evening forum friends. I have recently gone self employed and I am in the process of quoting various school maintenance in the local area. The only thing I have not done in the past is testing lab transformers. CAN SOMEONE PLEASE HELP AS I CAN NOT FIND ANY INFORMATION ONLINE. I believe the units have front end 30mA RCD's which work on various voltages. If anyone knows the process of how to test these units pleeease share! Thank you massively. Jo

Robert Turnbull · Mar 13, 2013

They usually made by a firm called Blakley

Robert Turnbull · Mar 13, 2013

http://www.blakley.co.uk/product-Type/safe-supply-units

KAS1 · Mar 13, 2013

And which scheme are you registered with ????

JAParkes · Mar 13, 2013

Thanks for the quick replies. I am NAPIT registered and I have just been accepted onto my local council approved contractors list. Does anyone actually know the testing procedure and required test instruments?

Engineer54 · Mar 14, 2013

Here you go, enough information and drawing to allow you to determine how and what you can and can't test on these units!!

[url]http://www.blakley.co.uk/sites/default/files/TDS9%20-%20FAQs%20Safe%20Supply%20Units.pdf

http://www.blakley.co.uk/sites/default/files/SPDS5%20SSU%20Data%20Sheet_0.pdf[/URL]

Knobhead · Mar 14, 2013

Another lamb to the slaughter. If you don't understand the implications why did you quote for the job? I just hope you're insurance is top notch!

JAParkes · Mar 14, 2013

Thanks loads 54. And Tony, that isn't helpful. I haven't quoted the job yet, I am trying to decide if I should or not. I have been an electrician for 15 years but this is probably one of the only things I have never done.

And yes my insurance is a ok!