Geekzone: technology news, blogs, forums
Guest
Welcome Guest.
You haven't logged in yet. If you don't have an account you can register now.


BoerieGalore

45 posts

Geek
Inactive user


#248923 16-Apr-2019 12:17
Send private message

This plug is in the cupboard under our kitchen sink. Anybody know what it is?

 

 

We have another one in the lounge.

 

Its an old house. Late 70's.

 

Cheers


View this topic in a long page with up to 500 replies per page Create new topic
 1 | 2

Stu

Stu
Hammered
8334 posts

Uber Geek

Moderator
ID Verified
Trusted
Lifetime subscriber

  #2218081 16-Apr-2019 12:22
Send private message

Doesn't look like a socket, from the photo as I see it on my phone. Looks more like a plate where you'd have a cable hard-wired to the switch, passing through the plate directly to the appliance. Often seen on older heaters, extractor fans, and the like. Perhaps an old waste disposal unit under the sink? Still seen on heated towel rails etc.




People often mistake me for an adult because of my age.

 

 

Keep calm, and carry on posting.

 

 

Referral Links: Sharesies - Backblaze

 

Are you happy with what you get from Geekzone? If so, please consider supporting us by subscribing.

 

No matter where you go, there you are.




tieke
674 posts

Ultimate Geek

ID Verified

  #2218084 16-Apr-2019 12:23
Send private message

It's probably just a powerpoint, which has had its directly-wired appliance removed (The one in the lounge might have been from a nightstore or similar heater.)

 

The connection inside the powerpoint may or not be live, and may be on a nightrate/second meter. It was probably just deemed too much hassle to remove the powerpoint when the appliance was removed, so the cut off the wire and left it.


BoerieGalore

45 posts

Geek
Inactive user


  #2218085 16-Apr-2019 12:24
Send private message

Thanks.

 

I'm hoping I can replace it with a 240V plug socket.




wellygary
8312 posts

Uber Geek


  #2218086 16-Apr-2019 12:32
Send private message

BoerieGalore:

 

Thanks.

 

I'm hoping I can replace it with a 240V plug socket.

 

 

 

 

That will be fine, but as mentioned above, find out which circuit it is on, it might be rippled or switched,

 

(not very helpful if you want to use it all the /anytime)


BoerieGalore

45 posts

Geek
Inactive user


  #2218089 16-Apr-2019 12:35
Send private message

Thanks for the quick response guys.


  #2218096 16-Apr-2019 12:45
Send private message

Stu:
Doesn't look like a socket, from the photo as I see it on my phone. Looks more like a plate where you'd have a cable hard-wired to the switch, passing through the plate directly to the appliance. Often seen on older heaters, extractor fans, and the like. Perhaps am old waste disposal unit under the sink? Still seen on heated towel rails etc.

 

They used to be called "Permanent Connection Unit" (PCU) back in the day, they were used because in those days the homeowner wasn't allowed to futz with permanently connected appliances, it was a sparky-only job.

 

So if your appliance was attached to one of these, you had to call a sparky to do anything. And if you had a controlled storage heater, you couldn't plug it into a regular uncontrolled outlet, because that would be against the rules.
So of course that never happened. Cough.

 

 


BoerieGalore

45 posts

Geek
Inactive user


  #2218106 16-Apr-2019 12:53
Send private message

PolicyGuy:

 

Stu:
Doesn't look like a socket, from the photo as I see it on my phone. Looks more like a plate where you'd have a cable hard-wired to the switch, passing through the plate directly to the appliance. Often seen on older heaters, extractor fans, and the like. Perhaps am old waste disposal unit under the sink? Still seen on heated towel rails etc.

 

They used to be called "Permanent Connection Unit" (PCU) back in the day, they were used because in those days the homeowner wasn't allowed to futz with permanently connected appliances, it was a sparky-only job.

 

So if your appliance was attached to one of these, you had to call a sparky to do anything. And if you had a controlled storage heater, you couldn't plug it into a regular uncontrolled outlet, because that would be against the rules.
So of course that never happened. Cough.

 

 

 

 

That makes a lot of sense now thank you. And I think you guys are right about it being on uncontrolled power. I have seen the same plug at the hot water cylinder (which I assume is wired to the controlled power meter).

 

I'm with Electric Kiwi power and pay a flat rate for electricity anyway, regardless of how much of my electricity is controlled.


 
 
 

Cloud spending continues to surge globally, but most organisations haven’t made the changes necessary to maximise the value and cost-efficiency benefits of their cloud investments. Download the whitepaper From Overspend to Advantage now.
cyril7
9058 posts

Uber Geek

ID Verified
Trusted
Subscriber

  #2218141 16-Apr-2019 13:19
Send private message

Hopefully you replace it with a 230V socket, no 240V here.

 

Cyril


BoerieGalore

45 posts

Geek
Inactive user


  #2218150 16-Apr-2019 13:32
Send private message

I was actually looking at one of these: (250V rated). Not sure I would something that is only rated 230V

 

https://www.electricaldirectltd.co.nz/product/1552-Clipsal-Classic-C2000-Single-Horizontal-Switched-Power-Outlet-250V-10A


cyril7
9058 posts

Uber Geek

ID Verified
Trusted
Subscriber

  #2218287 16-Apr-2019 16:16
Send private message

Rating or connecting, typically these type of electrical fittings are rated to 250V as they are derived from international vendors, however in NZ finding 240 or 250V is not common.

 

Cyril


  #2219339 16-Apr-2019 18:00
Send private message

Be aware that it may be controlled by a ripple relay which may switch it off at peak load times. It does not matter that you pay a flat rate for your power, the hot water is still quite possibly controlled.

MadEngineer
4271 posts

Uber Geek

Trusted

  #2219421 16-Apr-2019 20:12
Send private message

Still called a permanent connection unit or simply PCU.




You're not on Atlantis anymore, Duncan Idaho.

gzt

gzt
17104 posts

Uber Geek

Lifetime subscriber

  #2219428 16-Apr-2019 20:18
Send private message

You need to find out what circuit this is on. For instance this node could be relatively unprotected.

Tracer
343 posts

Ultimate Geek


  #2219443 16-Apr-2019 21:06
Send private message

cyril7:

 

Rating or connecting, typically these type of electrical fittings are rated to 250V as they are derived from international vendors, however in NZ finding 240 or 250V is not common.

 

Cyril

 

 

240 is common, the legally allowable range is 216.2-243.8 (230 +/- 6%). The distributor will generally tap the transformer up so the properties nearest are near the upper limit, and the jug will still boil in a decent amount of time for those furthest away.


Goosey
2829 posts

Uber Geek

Subscriber

  #2219520 17-Apr-2019 06:16
Send private message

larknz: Be aware that it may be controlled by a ripple relay which may switch it off at peak load times. It does not matter that you pay a flat rate for your power, the hot water is still quite possibly controlled.

 

 

 

Just bumping this above comment to the OP... as they already made a comment that suggests that they do not know what 'ripple control' is and thinks it has to do with billing. 

 

 

 

 


 1 | 2
View this topic in a long page with up to 500 replies per page Create new topic





News and reviews »

Air New Zealand Starts AI adoption with OpenAI
Posted 24-Jul-2025 16:00


eero Pro 7 Review
Posted 23-Jul-2025 12:07


BeeStation Plus Review
Posted 21-Jul-2025 14:21


eero Unveils New Wi-Fi 7 Products in New Zealand
Posted 21-Jul-2025 00:01


WiZ Introduces HDMI Sync Box and other Light Devices
Posted 20-Jul-2025 17:32


RedShield Enhances DDoS and Bot Attack Protection
Posted 20-Jul-2025 17:26


Seagate Ships 30TB Drives
Posted 17-Jul-2025 11:24


Oclean AirPump A10 Water Flosser Review
Posted 13-Jul-2025 11:05


Samsung Galaxy Z Fold7: Raising the Bar for Smartphones
Posted 10-Jul-2025 02:01


Samsung Galaxy Z Flip7 Brings New Edge-To-Edge FlexWindow
Posted 10-Jul-2025 02:01


Epson Launches New AM-C550Z WorkForce Enterprise printer
Posted 9-Jul-2025 18:22


Samsung Releases Smart Monitor M9
Posted 9-Jul-2025 17:46


Nearly Half of Older Kiwis Still Write their Passwords on Paper
Posted 9-Jul-2025 08:42


D-Link 4G+ Cat6 Wi-Fi 6 DWR-933M Mobile Hotspot Review
Posted 1-Jul-2025 11:34


Oppo A5 Series Launches With New Levels of Durability
Posted 30-Jun-2025 10:15









Geekzone Live »

Try automatic live updates from Geekzone directly in your browser, without refreshing the page, with Geekzone Live now.



Are you subscribed to our RSS feed? You can download the latest headlines and summaries from our stories directly to your computer or smartphone by using a feed reader.