Using a WIHA Torque screwdriver to check the tightness of MCB screw terminals. Electrical #shorts

Setting the correct torque setting of circuit breaker screw terminals is an essential part of an electrical installation. Loose terminals cause fires.

How to use a torque screwdriver:
Gary Hayers gives a demonstration of setting up a torque screwdriver to the correct torque required for the MCBs in a Lewden consumer unit.

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🧰 Check price and availability of screwdriver used in this video

Wiha 38074 5pc VDE Slim Torque Screwdriver Set

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📹 Presented by
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#efixx​ #shorts #electricianstools

[Stoney_Eagle]

Don't forget to give the cable a little tug and check your torque again.

[cmorda]

USA national electrical code recommends checking the torque at 90% for inspections due to metal relaxation and for the purpose of minimizing wear.

[geecali]

This guy makes tightening a wire sound so high-tech, like when a chiropractor call himself a doctor

[kngrojak]

Torque til you hear a crack, then back off ¼ turn

[MrPhatties]

After watching 20 shorts of efixx gushing over ferrules this is pretty contradictory

[johno]

When I did my aircraft engineering apprenticeship we got tested on how close we could get to a certain torque values just by hand tightening a bolt.
Just what you want, a bunch of apprentices guessing how tight a bolt is on a passenger aircraft instead of using a torque wrench. 😆

[danfarris]

Our Swiss CNC service tech says the torque spec is GÜÜDENTIGHT

[___AD]

Also, if you don't have the manufactures instructions a lot of breakers will tell you the Torque setting on the side of the breaker.

[jimanderson]

Ive been wiring controls for 37 years on million dollar sytems....the day I need this tool to do my job is the day I should've hung up my tool pouch.
That saying...from the apprentices I see coming up from the ranks ....ya better train them with this tool ... if we want any chance of the job being done correctly....just sayin

[markholmes]

Nice short and to the point, I also give the conductors a bit of a wobble after the first torque then go back in for a second torque due to my OCD👍

[zakinster]

Nice demo, straight to the point. We don't have much screws anymore in consumer units here in France with all the automated connections and bus bars, but I love this WIHA TorqueVario system. It's still of great value for main arrival and the 18 pieces kit is especially useful since the bits can be mounted on other non-torque WIHA screwdriver (the LiftUp in my case).

[Dranok]

Hey! Stop wasting your consumables!
Every screw, I heard you click it 4 times. Only let it click once and your driver will last years. They have a limited lifespan -- used to be 5, 000 clicks, don't know if that's changed -- and first click is the important one, any more is just a waste of lifetime until the manufacturer says, at next calibration, "you've run out, the ratchet is worn, new unit."

Also, while I applaud the care and precision of your twisted-up and doubled-over conductors, I hope you realize that these are cage terminals not screw terminals and, as such, would make a better more mechanically secure contact by not doing so at all. The perfect termination in a cage terminal is (perhaps counterintuitively) untwisted parallel strands, so they can be flattened and each strand contacted front-and-back by the cage. Individual strands are not damaged because it is static compression force, nor strained because any tensile force is shared equally by all 7 or 15 strands (or whatever the lay). Then when you torque up the terminal, there will be no let-off after the first current flows since there is no "spring" effect of the bunch of strands taking up any of your initial compression force.

Hmm, that started out a quick comment and became a didactic stream of consciousness. Sorry for the electrical engineering lecture...

[nicomaletzki]

I really miss isolated ferrules bro, if you do a exampel video than make it without mistakes like this. Thank you.

[m.haslam]

Brilliant tool. Hate it when guy's over tighten the screws.

[tonymartin]

Simple easy application, also many manufacturers now say in their instructions to use a Slotted 5.5 or 6.5 x 1.2 mm driver and a PZ2 depending one what size cable is being tightened also using these drivers stops the SL/PZ being snapped 90% when loosening 😀😀

[mikehorb]

Torque driver is useless when torquing to such an insignificant amount while also using multiple sloppy adapters.

[Papi-Oh]

The sparky in me : pulls the wire, .. yup tight it is..

[bdawinton]

may want to say wiggle the cable and torque again i can see those connections being loose in 3 months. your videos are normally spot on but ii think you missed a mayor check here

[bazmondo]

How do these torque screwdrivers differentiate between the correct torque and a sticky or poorly formed thread?

[yensabi]

Not a big fan of these things, if you’ve been tightening terminals all your working life you will know what pressure to put on a screw to make it good after all what did we do before all these gizmos became available to