110V Transformers - 3 Things You Need to Know

Before using your 110V transformer, make sure you are aware of the limitations of these units.

1. They're designed for intermittent use only.

2. The earth must be connected (if you're rewiring the plug).

3. Don't use the transformer on a carpet.

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[tonyc]

3 things you need to know:
1: heavy as f*ck
2: expensive as f*ck
3: yellow as f*ck

[bikerchrisukk]

Cheers Roger, I will check mine, normally cut a load of blocks in one go 👍

[amazing]

Good info there Roger that I never knew, as I don't think I ever got instructions with it. My reset button has been stuck in for years now and the tranny still working, but I don't have it continously on at full load.

[Mcbo]

Hi Roger as a retired electrical contractor, I was always fascinated by how many contractors were carrying around heavy transformers that were way bigger than they needed . And of course the big units always have a tendency to trip RCDs because of the inrush they produce . Obviously your large concrete splitter needs a beefy transformer, but I can guarantee many only need a smaller unit so saving their backs lugging them around . Best wishes and kind as always .

[danthevan]

Agreed. 3000W, intermittent use, 1000W continuously. I'm a sparky, and use mine continuously with an 850W SDS for chopping out. Never had to reset the thermal cut out, and it's 15 yrs old. And don't forget stuff like power factor. 3000W kVA with a 0.9 power factor is actually 2700W intermittent (kVAr). kVAr is the true maximum power output.

[tonysmith]

I didn't know that about transformas. Brilliant video.

[PhoneVidoes]

Always tickled me when you see a 230v mains lead dragged all over the place and then a 110v transformer on the end of it, kind of defeats the object of having safe equipment on site, seen it so many times in the past.

[Nickpaintbrush]

I dont use mine much but didnt know this so thanks!

[kendodd]

The bit about hating em was spot on there a pain lugging from job to job

[grahamallen]

Well the transformers match the builders I contract ....as thay only work intermittently 5mins work 15mins nattering! So 110v tranny spot on for use

[davdbone]

Sickening to hear about the loss if your transformer, the sick part having to be around grunts luke thar, never mind working near them. I'd have stuck a tracking tile/gps tracker etc to any bulky equipment I was using onsite.
Had you done so, all you had to do was use the app on your phone to find out what van it's in and record reg no, go back in and ask 'have you seen my xyz?"
Bring your phone out,
"Ah, it's okay I see it's nearby."
Mention bringing in the law, go out for few mins, guaranteed it will have miraculously reappeared.

[thegrandmuftiofwakanda]

Hi I'm Roger Busy Bee from the Skill Builder Channel and my favourite Transformer is Soundwave because he could transform into a Cassette Player and play all my favourite Celine Dion songs.

[davesecondago]

great info never new that about them good shout SB

[davidbrewer]

You are right that they are an interesting thing... A lot of thought went into these devices, specifically with safety in mind. The secondary winding is center tapped to earth with the L & N output floating & completely isolated from the primary. This means that the maximum shock you can get is 55V to earth ie: not lethal. The reason they overheat so easily is because the transformer windings are epoxy encapsulated for wet use safety. The bin is also waterproof. This makes them safe to use in the rain or wet conditions.

[tonyjones]

well i did not know that! thanks for passing on that little nugget.

[wrightwoodwork]

I always go with continuous rating on the transformer. Which is usually half the kva rating. So total Watts on on tools add up to the continuous rating not the peak rating

[allsearpw]

Hi, always worked my trany hard, stood in a bucket of water . by 10 am just right to make the tea . Energy saved and recycled .

[harveysmith]

Get a plug in remote control switch. You have a little remote in you pocket and you can switch it off from 10 metres away.
£10 on Amazon.
Just got one when my power take of vacuum packed up and Henry had to come off the bench.

[gmks]

Thanks you are correct in they are for intermittent use you can always stand the transformer on a couple of bricks. The most important thing that every person does is use them incorrectly. There purpose is to protect you from electric shock which can kill you. 110 volts is safer, so why run 240 volt lethal extension leads around a site to then plug in an 110 volt transformer. Those extension leads are siting waiting to get chopped or slashed and kill you or your work mate. Plug the transformer in at a safe location then use 110 volt extension leads. The inset photo shows the danger lurking. As they say a little knowledge is dangerous. Its the just get the job done attitude that will catch you out, and you won't be going to the home you want just the funeral home.

[dickdoc]

Reminds me ..Over a Million Mugs of Tea ago we worked on a four story house in Chichester the Cathedral City. like all jobs at the time it was heads down and Ass Up. Pain in the butt dragging out Transformers just about every day lugging them up four floors via ladders we could not leave them out all night they would have been stolen. As per usual the Client/ Builder thought job was not going fast enough (what's new). we were working 12 hour shifts every day 7 days a week. One day client/ builder came as per usual at lunch time ...Day before tape recorded the guys working sawing hammering with one of those Getto Blaster music units. Client/ Builder turned up I turned on the tape recorder on the forth floor from day before of guys working ..Client/ Builder would not go up the ladders to risky for them when he heard the hammering sawing he was impressed how hard the guys are working...Every day a school day as they say did not know about 110V transformer limitations we used to have them running at all times.