No it's not the "cloverleaf" connector, it's more like the "figure-8" shaver connector, but with 3 pins, the L/N are together and the E is keyed to make incorrect insertion impossible, the whole connector is angled at 180 degrees to the cable, I've only seen these on certain Dells.
Most of them have that. It's for voltage and charge sensing.
Not true.
The Targus ones work as long as you pick one with enough oomph
OK, but in practice, there are very few of these around.
Either the plugs have the hole to accept the projecting earth pin, or they are two pin and it's irrelevant.
I think the grounding would give better surge protection in /some/ circumstances.
Also the grounding would give better protection against mains borne interference as well as stopping it the other way.
I personally would be happy to use it without grounding it, BUT if connecting it to a phone line in any way would use a 'surge cube' that has both mains and telephone protection. This is good practice anyway.
cheers, Pete.
cheers, Pete.
How about a BC and an ES lampholder adapter, with a flying lead and a croc clip to a waterpipe for the earth?
Probably equally compliant anywhere in Europe?
Owain
Scandinavia was a part of Europe last I looked, and routinely doesn't. Pretty much everything runs off CEE 7/16 (Europlug 2.5 A/250 V unearthed). You can find Schuko sockets (sometimes) in bathrooms for the washing machine and (usually) in kitchens. Sometimes, in flats, you'll find the only Schuko socket in the entire place is on the front panel of the cooker. And this isn't in particular old places either - I have friends in a flat built in the mid-eighties, which has two Schuko sockets in a bathroom, and (I think) three in the kitchen, integrated into the under-cupboard lighting units (a bit like shaver sockets) - and that's it. You can plug Schuko and CEE 7/7 plugs into the wall sockets - but they have no earth. They provide more than 2.5 A, as far as I can tell, as the vacuum cleaner doesn't pop a fuse when it is used.
Nope. It ships with a 'three prong wall plug' in the US. See:
Nope again. I'm familiar with IEC C5 connectors. The picture here:
Sorry to be so negative. I've just broken the (fake, plastic) earthing pin off a plug-in 'wall-wart' transformer by dropping it accidentally, and now I can't plug the darn thing in because the socket shutters don't move aside. Galling.
Sid.
Well, I suggest it /is/ true in some cases, the lead of my PSU got run-over by the office chair once too often and the laptop refused to take power from it even though power was available, it was just the data pin that was intermittent.
The laptop can tell if it's a 65W or 90W charger and will scale CPU speed and battery charge rate accordingly, mine is obviously programmed to be stroppy rather than pessimistic if it can't recognise the type of PSU, different BIOS versions could change this behviour, the machine also refuses to power-up if the 65W power PSU is connected via a docking port.
PS. This is the 3-pin connector in question
question
And yes, the refusal to power up the docking station with the 65W PSU was incredibly frustrating.
Cheers,
Sid
Heh, had that installing some ericsson PC-XT clones with thinwire ethernet and got a good tingle while connecting the T-piece, their parent company was Swedish and they had self-imported them rather than pay UK prices and plugged them in with the 2-pin IEC leads via a continental 4-way strip.
power cords with approval stamps from the major countries.
I've seen a few of the the tiny 13A unfused plugs too.
The OP meant CEE 7/7.
Cheers,
Sid
Different issue. Yes, you're right that the signalling with the small pin is required. The Targus supplies have this if you choose the correct adaptor module for the PC in use.
Frankly the Dell supplies are crap. I have had several where cord anchoring on the DC side is poor and the cord just pulls out after a few months use. I had two warranty replacements and two outside warranty on the basis of lack of fitness for purpose.
Ah, you seemed to be suggesting it was only the amount of oomph, no the number of pins that made the difference.
The standard ones run pretty hot, and the 3-pin mains connector is not particularly good at resisting strain, one of mine is now angled at about 160 degrees.
The auto/air one runs much cooler than the standard 65W version,
We were somewhere around Barstow, on the edge of the desert, when the drugs began to take hold. I remember snipped-for-privacy@mail.com saying something like:
Get a two-way adapter and leave the wall-wart plugged into that.
This is uk.d-i-y! Fix it...empty cases are readily available.
No. As you pointed out, I don't think that it would work without the little pin.
In the end, I Tyrapped the leads to the body of the charger.
Although there's another problem there. Aircraft seat power is insufficient for many modern laptops.
If you start with a fully charged battery (and preferably a 2nd battery in the CD bay) surely having a small amount of recharging is better than none?
I like it. I did think about going round with an earth rod and a sledgehammer. :-)
Has anyone else notice the number of ES lampholders increasing in the UK? I'm not convinced this is a Good Thing, except for the bottom line of lamp manufacturers.
Cheers,
Sid
Some aircraft power outlets close down if they detect too great a load....
What's wrong with them?
I think that the number of different fittings ought to be kept to a minimum, but I've heard the claim that ES fittings are technically superior to bayonets.
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