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Impact Driver Vs MCB

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Dustydazzler

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Every big build I have had the pleasure to work on the last 10+ years I would say 99% of the sparks use their 18v impact to do the consumer unit connections

Good practice as its fast and effective Or butchery and will lead to knackered switch gear

 
I wouldn't use my 10.8vimpact driver on terminals or MCB's RCBO's let alone the 18v Milwaukee, too easy to destroy the component parts. I do use my bativa power screwdriver or Bosch ixo to loosen them off and for running up the slack in the terminal but only for that never for a final tighten that's always a screwdriver!
 
It is mainly youngers sparks I see using their impacts to speed do a consumer units on site trying to do a board in an hour



I have tried my 12v impact to do a consumer unit but just doesn't feel right , feels like I am cheating or something
 
If you freeze the video you can see the screws disintegrating.
Anyone with a hint of respect for mechanical items would realise that a small machined screw shouldn't be subject to forces like that.

[ElectriciansForums.net] Impact Driver Vs MCB
 
An 18v impact will tighten the screw and totally annihilate it all at the same time, so it will be tight but anyone who tries to loosen that terminal screw at a later date will it will be knackered and impossible to remove

I cringe when I see site sparks using their impact on boards and that hammering action as it cranks down on the screws , knowing full well its smashing the screw head to bits
 
Using an Impact Driver to do up connections? Madness. I'm only an apprentice and I know it's rough as. I've only seen sparks use an Impacter to rip out old CUs that are going to the scrap anyway.

I've never seen anyone use a torque screwdriver though. I've seen testers use torque wrenches for doing mains switch gear on sites. But thats about it.

After seeing that new efixx video were no one was able to get the settings right, it seems like a good idea to get one. Even if it's just to cover your own A$$.
 
This sparks made me laugh , uses his 18v impact to do all the final board connections....


But had to reach for his normal screwdriver to do the Rcbo as his impact bit wouldn't fit in the narrow terminal 🙃
 
Dustydazzler said:
This sparks made me laugh , uses his 18v impact to do all the final board connections....


But had to reach for his normal screwdriver to do the Rcbo as his impact bit wouldn't fit in the narrow terminal 🙃
Click to expand...
I bought these Wera Slotted Pozi screwdrivers for doing MCBs. Fit the screws perfectly.

Wera 05006470001 165 is PZ/S # 1 + 2 Screwdriver Set : Amazon.co.uk: DIY & Tools

Shop Wera 05006470001 165 is PZ/S # 1 + 2 Screwdriver Set. Free delivery on eligible orders of £20 or more.
smile.amazon.co.uk
 
Dustydazzler said:
This sparks made me laugh , uses his 18v impact to do all the final board connections....


But had to reach for his normal screwdriver to do the Rcbo as his impact bit wouldn't fit in the narrow terminal 🙃
Click to expand...

Funnily enough I was watching that Artisan video someone posted last night & noticed them struggling to mount an enclosure with a 2" bit on the impact driver. Youtube sparks must not have cottoned on to 6" bits.
 

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