SAFE TO TOUCH / SAFE ISOLATION, do gas engineers need to carry out these tests, gas safe TB 118 

Always on point Derek! You break it down to understandable terms instead of all the waffle in a TB 👍

And to think you was thinking of calling it a day, you bring another quality video out. On point sir👍

Hiya Derek…… Don’t let any Bugger bring you down. You are a Star of YT ⭐️ 👍🏾

Excellent tutorial Derek ,imagine the shock of actually finding a live boiler case before commencing with a service.......little life saver this procedure ...cheers Derek.

Another great video Derek, always great to watch your videos and to learn from them, thanks for the brilliant videos and all the time and effort you put in too it.. 👍👍😀😀

Hi Derek. The 50 volt AC is "safe" to touch so a voltage indicator like the blue Volt Stick should be the only one used. Some of the ones behind you in the video are 100 volt AC so a lower voltage could be present and not detected until you touch it. I see below someone has posted about an Earth loop impedance test and polarity. These are not safe isolation and should be left to a qualified electrician to carry out before the electrical installation is put into service. Also pointed out below most RCD's trip at 30mA. Gas engineers need to also understand the under certain electrical fault conditions especially on a PME / TNCS Earthing arrangement voltage may be present on pipe work within the property if they originated from the ground. ie metal gas service pipe. Hence the requirement for Equipotential Bonding. So a Volt stick safe to touch test is very important to stay alive. Keep up the good work Derek

Just done this on my recent ACS reassesment first time id been over it great video as always

Great video once again, Derek!!!, Keep up the good work, Cheers.

Cheers Derek, great video as always 👍

I'm pleased you mentioned dual supplies at the end of the video. I blew a PCB becasue I turned the power off and didn't test do a safe isolation, not realising that parts of the PCB were still live through the second supply even though the boiler display was dead.

Excellent Derek

Another very handy video! Keep up the good work!👍

Very informative. Thanks Derek

Thank you for another great video👍👍👍

Brilliant as always 👍

Another great video..

Back on form ! good man ! Phil Brown Nottage Gas & Heating (est 1972)

It’s also worth checking the pins on a 3 pin plug (when you unplug it) with the non contact volt tester to make sure it isn’t live from another feed.

Great videos.. keep em coming..

Excellent Derek. helpfull video

Thank you so much its really helpful

its ok derek your here to inform us..

Brilliant video

Sorry to say, I rely on you for the TB 😂 I work for a big company, so I not have full access to gas safe site. reading these TB send me to 😴 you make it understandable 👍🏻

Thanks mate

Very informative. Thanks for your valuable educational support. Kindest regards Adnan

👍Thank you

Great video mate! Just wondered if you could give a good description of a TTB on an instantaneous water heater. (TTB =) plus how it works? Was under the impression it’s a thermal trip breaker?

Very informative 👍 Shane Hunt

Thank you, Nikola Ditsov

ray hurrell brilliant

At 13:49 there is a switched socket and 3-pin plug. I understand that gas appliance electrical supplies should be an "unswitched socket and plug" or "switched fused spur". Maybe when the video is updated this point could be made about your test installation. Edit: I notice you mention this later on. An edit wouldn't hurt to catch the person who leaves the video before it's mentioned.

just a quick question regarding *lead pipe* on gas fittings. How to deal with it?What does regulations say about it if we find it used alongwith copper pipe in any property. Or on downstream on gas meter.

Can’t thank you enough for the continued help and knowledge you prove through your videos. Part of the reason I’m now a qualified engineer is thanks to you. What TBs would you recommend getting familiar with?

I hope someone has pointed out that at a out 12:10 into the video you say RCDs trigger at 30Volts. It's Milliamps... It may be worth editing the video becasue this is a significant bit of incorrect info IMHO.

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Can you please do a video on gas regulations

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Derek! Start Up a Discord Channel! We need a Guru like you and others on tap and on-line to help each other!

👍 Sue Warrington

where can i find the regulation that said i cant use a multi meter for safe isolation.

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Ever since Gas Safe took over Corgi its been a joke. Phoned up o ask a certain non straight forward question they said"well you should know" I called to ask if spiral ducting was ok on a concord boiler that was I.D'd for that reason. Normaly its not, but in this case it was stainless steel. After me telling them what I just stated initially, they said "we'll get back to you"

Tomkat👍🏻

Easier on a plug what about testing on a fused spur not many boilers are on plugs not covered

If your safe to touch test failed how would you prove its not safe 🤔

Callum Collins - Tomkat Training

Jon-Paul Ward

Stephen Humphreys

MP 06/02/23

steve ward

James O’Brien

my mate got electrocuted when fixing a boiler and died he now works as a milkman

Where in TB 118 is the gas operative instructed to perform a 'safety touch test' or an 'earth loop impedance test' or a 'polarity test' - the ONLY 'procedure' derined in TB 118 is the Safe Isolation procedure ! This video does nothing more than add to the confusion within the industry because TB 118 is ill-conceived, misguided, misworded, inaccurate and contains an unforgivably dangerous bunch of words - it should be no more than 2 pages long and explain what is in the title of the TB - a SAFE ISOLATION PROCEDURE ! The objective is simple - prove the test gear good, isolate the appliance, prove the appliance is dead and then perform a confidence test of the equipment to prove it is still good. Th edocument has opened the flood gates for test gear manufacturers to sell kit for checks that are NOT required to keep the gas operative safe ....

Why do you say everything like it's a question lol

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