Search found 149 matches
- Fri Apr 05, 2024 1:26 pm
- Forum: Protective Devices
- Topic: Schneider RCBO Acti9 iC60H, 1P + Ns
- Replies: 2
- Views: 1467
Re: Schneider RCBO Acti9 iC60H, 1P + Ns
Thanks Alec, found the SDoc, so all good
- Fri Apr 05, 2024 9:29 am
- Forum: Forum User Guidelines
- Topic: Data Lost?
- Replies: 1
- Views: 1571
Re: Data Lost?
Yeah Alec, I re-submitted my question from yesterday about the RCBO's
- Fri Apr 05, 2024 9:26 am
- Forum: Protective Devices
- Topic: Schneider RCBO Acti9 iC60H, 1P + Ns
- Replies: 2
- Views: 1467
Schneider RCBO Acti9 iC60H, 1P + Ns
Hi All, I have reposted my question from yesterday as I believe there was an issue with the site and my post has dropped off. https://www.se.com/nz/en/product/A9D11816/residual-current-breaker-with-overcurrent-protection-rcbo-acti9-ic60h-rcbo-1p-+-ns-16a-30ma-a-type-10000a/ My question was regarding...
- Mon Mar 18, 2024 2:10 pm
- Forum: Inspection
- Topic: Hi Risk Work-EWRB drawing
- Replies: 5
- Views: 1829
Re: Hi Risk Work-EWRB drawing
Maybe because they think they know everything
- Sat Mar 16, 2024 2:17 pm
- Forum: Inspection
- Topic: Hi Risk Work-EWRB drawing
- Replies: 5
- Views: 1829
Re: Hi Rsik Work-EWRB drawing
No harm in getting an inspection either way, another set of eyes
- Sat Mar 16, 2024 8:12 am
- Forum: Inspection
- Topic: Hi Risk Work-EWRB drawing
- Replies: 5
- Views: 1829
Hi Risk Work-EWRB drawing
Is this drawing correct in regards to the comment about the submain earthing?
Or is this another error by EWRB?
https://www.ewrb.govt.nz/resources-2/to ... =safe-work
Cheers
Peter
Or is this another error by EWRB?
https://www.ewrb.govt.nz/resources-2/to ... =safe-work
Cheers
Peter
- Sat Feb 24, 2024 5:23 pm
- Forum: Generators and Solar
- Topic: 5033 Switched Disconnector at PCE
- Replies: 7
- Views: 3850
Re: 5033 Switched Disconnector at PCE
Sorry Jamie I am away at present so don’t have any references with me, but just off my head sharing is not the same as individual switches obviously I still think as I mentioned above individual switches give the option of isolating an array if required, greater switching capabilities with the numbe...
- Sat Feb 24, 2024 5:11 pm
- Forum: Generators and Solar
- Topic: Earth wire type for PV Array
- Replies: 17
- Views: 8753
Re: Earth wire type for PV Array
Yes, I was in contact with Glen Morris yesterday, Glen is a very well respected for his solar knowledge here and Australia and some of you like myself may have attended his courses and online trading sessions over the years. Glen is the Smart Energy Councils rep on EL-042, EL-005 and NT-001 is comme...
- Fri Feb 23, 2024 11:59 am
- Forum: Generators and Solar
- Topic: Earth wire type for PV Array
- Replies: 17
- Views: 8753
Re: Earth wire type for PV Array
Cheers Alec, I don't mind asking at all, I googled EL-042 committee and that directed me to the Aust Standards web site but I couldn't log in (using an old login) and not given the opportunity to create a new account. I have emailed them asking how I can get in contact with someone on the committee,...
- Fri Feb 23, 2024 8:31 am
- Forum: Generators and Solar
- Topic: Earth wire type for PV Array
- Replies: 17
- Views: 8753
Re: Earth wire type for PV Array
Thanks Alec for your comments and clarifying. I haven't seen solid core conductors since the 70's and I can't recall 4mm and 6mm conduit wire been solid cores. I assume the writers of the standard know what they are thinking but hard to put into words at times and/or errors can be made. As its been ...
- Wed Feb 21, 2024 11:49 am
- Forum: Selection and Installation of Wiring Systems
- Topic: Wiring Systems installed on Ground
- Replies: 3
- Views: 1796
Re: Wiring Systems installed on Ground
I believe it is fine, you are protecting the cable with conduit, maybe the conduit should be UV rated would be the only thing but that could be over the top as it is going back in the ground at some point.
- Wed Feb 21, 2024 10:08 am
- Forum: Generators and Solar
- Topic: Earth wire type for PV Array
- Replies: 17
- Views: 8753
Re: Earth wire type for PV Array
Section 4.3.6 in 5033 about Cables 4.3.6.1 then is about cable size for PV string cables, PV sub-array cables and PV array cables ..... Then 4.3.6.2 is about the type of cables used within the PV array The definition of "PV string cable" clause 1.4.56 is "a cable interconnecting the modules in a PV ...
- Wed Feb 21, 2024 8:08 am
- Forum: Generators and Solar
- Topic: 5033 Switched Disconnector at PCE
- Replies: 7
- Views: 3850
Re: 5033 Switched Disconnector at PCE
Hi Jamie, if you refer to the figures at the start of 5033, it clearly shows configuration for switch disconnects, that should help
- Tue Feb 20, 2024 8:28 am
- Forum: Generators and Solar
- Topic: Earth wire type for PV Array
- Replies: 17
- Views: 8753
Re: Earth wire type for PV Array
Hi Jamie, my take on it is the earths do not have to be flexible according to 5033:2012 and I have never insisted on it, so I am now hoping my past inspections are ok. There is not much price difference between stranded and flexible these days. Clause 4.3.6.2 in 5033 is about the DC cables, hence th...
- Mon Feb 19, 2024 7:53 am
- Forum: Generators and Solar
- Topic: 5033 Switched Disconnector at PCE
- Replies: 7
- Views: 3850
Re: 5033 Switched Disconnector at PCE
I think it comes down to if the contacts of the DC Switch Disconnect can handle the current (rated operational current v rated operational voltage ) of each array using only two poles, the data sheet for the disconnect will confirm this. Generally I see 4 poles used in series for each array, so two ...
- Wed May 31, 2023 10:55 am
- Forum: Standards and Legislation
- Topic: Veterinary Clinic
- Replies: 1
- Views: 2034
Veterinary Clinic
A veterinary clinic would come under AS/NZS3000 and any other standards?
- Thu May 25, 2023 7:51 am
- Forum: Distribution, Networks & Metering
- Topic: Point of Supply
- Replies: 11
- Views: 8678
Re: Point of Supply
This topic came up again in discussion the other day, if the POS was the Dist Cabinets does that mean if these cabinets required work on them in the future eg replacing fuse holders is that on the Network?
- Tue May 16, 2023 10:26 am
- Forum: Switchboards
- Topic: AS/NZS 3000:2018 clause 2.10.2.2.2
- Replies: 4
- Views: 2669
Re: AS/NZS 3000:2018 clause 2.10.2.2.2
Thanks again Alec!
If only the exceptions at the end of the clause 10.2.2.2 was written as a plural, it would be a lot clearer.
I was only browsing 3000:2018 and saw this clause hence the question, your reply is perfect.
If only the exceptions at the end of the clause 10.2.2.2 was written as a plural, it would be a lot clearer.
I was only browsing 3000:2018 and saw this clause hence the question, your reply is perfect.
- Mon May 15, 2023 5:49 pm
- Forum: Switchboards
- Topic: AS/NZS 3000:2018 clause 2.10.2.2.2
- Replies: 4
- Views: 2669
Re: AS/NZS 3000:2018 clause 2.10.2.2.2
Thanks Alec, the way I read it, as you say it only applies to (b) and not pural, so what about an existing situation when the swb rooms were not built that large an a building needs a new replacement swb, can you use ESR 59 93) (b)?
- Mon May 15, 2023 2:49 pm
- Forum: Switchboards
- Topic: AS/NZS 3000:2018 clause 2.10.2.2.2
- Replies: 4
- Views: 2669
AS/NZS 3000:2018 clause 2.10.2.2.2
First off, I know this standard is not cited but clause 2.10.2.2. has requirements for switchboards over 800A per phase or over 3m in length eg two emerg exits paths with an exception "where there is a clear space of at least 3m in front of the swb ....." Many existing switchboard rooms don't meet t...
- Thu May 04, 2023 7:50 am
- Forum: Electric Vehicles and Charging Systems
- Topic: EV isolators in public carparks
- Replies: 2
- Views: 3387
EV isolators in public carparks
Carrying on from my last post on this topic (the original post and replies appears to have disappeared), thanks to both Jamie and Alec for your replies. To clarify, as an lockable isolator in the guidelines is not mandatory only "should include" and an RCD meets the requirements of an isolator, so n...
- Thu Apr 20, 2023 8:14 am
- Forum: Generators and Solar
- Topic: Alternative supply connected to db?
- Replies: 2
- Views: 2691
Re: Alternative supply connected to db?
I read it as, if you the alternative power supply is connected to a Dist Board without an MEN link the conductors need to meet the requirements of the Exceptions, the MEN connection is upstream
- Wed Apr 19, 2023 2:56 pm
- Forum: Transportable Installations
- Topic: Transportable structure installed to construction demolision standard
- Replies: 11
- Views: 6229
Re: Transportable structure installed to construction demolision standard
Agree Alec, ESR and 3001 interpretation for a "caravan park" just opens up a whole new mine field, so what do you do?
- Wed Apr 19, 2023 10:39 am
- Forum: Transportable Installations
- Topic: Transportable structure installed to construction demolision standard
- Replies: 11
- Views: 6229
Re: Transportable structure installed to construction demolision standard
Probably where the confusion comes from and how the manufacturers interpret 3012 clause 2.9 (a) "supply shall not be taken from a socket outlet associated with one transportable structure to supply another structure except where item (e) applies". (e) is "all components of an interconnecting supply ...
- Mon Apr 17, 2023 9:09 am
- Forum: Transportable Installations
- Topic: Transportable structure installed to construction demolision standard
- Replies: 11
- Views: 6229
Re: Transportable structure installed to construction demolision standard
Hi Alec, I asked a similar question in Nov 2021 about this, it was mentioned if their was overload protection on the "daisy chain outlets" this makes the interconnecting cables like submains so could be ok?
Cheers Peter
Cheers Peter
- Sat Apr 01, 2023 11:35 am
- Forum: Electric Vehicles and Charging Systems
- Topic: Tesla Gen.3 Wall Charger
- Replies: 9
- Views: 8787
Re: Tesla Gen.3 Wall Charger
Thanks Alec, why do the guidelines in 2.6 (f) say "use a purpose built RCD Tester...."?
- Sat Apr 01, 2023 8:23 am
- Forum: Electric Vehicles and Charging Systems
- Topic: Tesla Gen.3 Wall Charger
- Replies: 9
- Views: 8787
Re: Tesla Gen.3 Wall Charger
Hi Alec, are you saying if the type A RCD is built into the charger with RDC-DD an A type RCD is still require at the origin end?
So testing would be for a type A RCD, no testing of the RDC-DD?
Thanks
Peter
So testing would be for a type A RCD, no testing of the RDC-DD?
Thanks
Peter
- Wed Dec 07, 2022 1:01 pm
- Forum: Inspection
- Topic: Inspection of non-accessable items
- Replies: 4
- Views: 5613
Re: Inspection of non-accessable items
Good question Jamie, I believe we should charge for multiple visits like building inspectors do, this could also be the same for PV installs
Cheers Peter
Cheers Peter
- Fri Nov 18, 2022 10:29 am
- Forum: Standards and Legislation
- Topic: DR AS/NZS3017
- Replies: 5
- Views: 6735
Re: DR AS/NZS3017
Hey Jamie, when you look on Standards NZ site, it is listed as a draft but seems to have dropped off in their draft section, there is a note that the standards are usually only there 8 weeks.
I assume you have seen this note hence your question
Cheers Peter
I assume you have seen this note hence your question
Cheers Peter
- Fri Sep 30, 2022 11:58 am
- Forum: Standards and Legislation
- Topic: Employer held responsible for workers transposition
- Replies: 3
- Views: 4969
Employer held responsible for workers transposition
Interesting article in this months ElectroLink regarding the prosecution (77k) of an employer for his worker transposing conductors. WorkSafe prosecuted the employer under the HSWA act, originally WorkSafe were seeking $500k. The author of the article suggests a reference to ESR 100 is inserted on y...
- Thu Aug 25, 2022 2:02 pm
- Forum: Switchboards
- Topic: Switchboard construction
- Replies: 1
- Views: 3409
Switchboard construction
Hi there, this question came up in a group I belong too: When a switchboard is manufactured by a switchboard company, they have standards they work/manufacture too eg AS/NZS 3439 which I believe is now replaced by AS/NZS 61439 (but not cited) but there is never any paperwork when the switchboard is ...
- Thu Jul 28, 2022 8:23 am
- Forum: Standards and Legislation
- Topic: Formal Warning on incorrect COC information
- Replies: 7
- Views: 4351
Re: Formal Warning on incorrect COC information
An article about my warning is in this months ElectroLink, as far as I know WorkSafe have not spoken to the electrician about his COC.
- Fri Jun 17, 2022 9:44 am
- Forum: Standards and Legislation
- Topic: Formal Warning on incorrect COC information
- Replies: 7
- Views: 4351
Re: Formal Warning on incorrect COC information
Hi all, I received an email last night form WorkSafe withdrawing my Formal Warning after I appealed it with the help of an Inspectors Association that I belong too and ElectroLink.
So a good result I feel and maybe WorkSafe will change the way they issue out warnings regarding COC's to inspectors.
So a good result I feel and maybe WorkSafe will change the way they issue out warnings regarding COC's to inspectors.
- Sun May 22, 2022 6:33 pm
- Forum: Selection and Installation of Wiring Systems
- Topic: 4.7.1 Does a remote contactor with a local control switch meet the requirements?
- Replies: 7
- Views: 6705
Re: 4.9.1 Does a remote contactor with a local control switch meet the requirements?
Doesn't meet the requirements of 3000:2007 2.3.2.2 I believe
- Sat May 21, 2022 4:24 pm
- Forum: Standards and Legislation
- Topic: Formal Warning on incorrect COC information
- Replies: 7
- Views: 4351
Re: Formal Warning on incorrect COC information
Thanks so much Alec, so appreciated! Do you think I should appeal the Formal Written Warning as this is on my record they are saying and could be used against me in the future, and they do give me the opportunity to appeal? Another section taken from the email to me: "At present the CoC and ESC form...
- Fri May 20, 2022 8:47 pm
- Forum: Standards and Legislation
- Topic: Formal Warning on incorrect COC information
- Replies: 7
- Views: 4351
Formal Warning on incorrect COC information
Hi All, tonight I received an email from Worksafe issuing me a Formal Warning for accepting a COC that was incorrectly filled out by the electrician after I inspected a Hi Risk installation. I admit that this was my error and shouldn't have accepted the COC, unfortunately there were a few items inco...
- Fri Apr 01, 2022 1:41 pm
- Forum: Distribution, Networks & Metering
- Topic: Point of Supply
- Replies: 11
- Views: 8678
Re: Point of Supply
Nicely explained Alec The electrical engineer drawings are typical schematics, ie identifies location, date drawing designed and by whom, date checked and by whom, but no standards referenced. Last time a similar design was used and the electrician referenced it was a certified design on the COC, th...
- Wed Mar 30, 2022 8:39 pm
- Forum: Distribution, Networks & Metering
- Topic: Point of Supply
- Replies: 11
- Views: 8678
Re: Point of Supply
Exactly, engineers are very reluctant to put their name to a certified design, in my past experience they generally tell the electrician just to sign the b...... COC or the project wont get signed off, so then the Main Contractor or owner also start putting pressure on the electrician. I believe in ...
- Wed Mar 30, 2022 7:55 pm
- Forum: Distribution, Networks & Metering
- Topic: Point of Supply
- Replies: 11
- Views: 8678
Re: Point of Supply
Hi Greg, I have only seen the reticulation schematics, the D/cabinets are metal so I assume there will be N & E bar with a link but there are definitely no earth conductors on any incoming or outgoing cables. The 5 x Dc's will be owned by the property owner, each DC is exclusive to a building contai...
- Wed Mar 30, 2022 12:14 pm
- Forum: Inspection
- Topic: Signing ESC
- Replies: 3
- Views: 4526
Signing ESC
Had an interesting one today, the linemans made the final connection at the pillar, (connecting the N & P) for a new connection but would not sign the sparkies ESC section of his COC for the Mains, he had his own ESC that he signed instead, is this acceptable, should he reference the COC in ESC?
- Wed Mar 30, 2022 9:17 am
- Forum: Distribution, Networks & Metering
- Topic: Point of Supply
- Replies: 11
- Views: 8678
Point of Supply
Who makes the call of where the "point of supply" starts, in the Act, section 3, there is the Point of Supply definitions, defining where the POS begins, which is fine but does it ever get recorded/noted anywhere that the POS for a property is......? Otherwise it can get confusing of where the POS s...
- Thu Mar 17, 2022 9:46 am
- Forum: Generators and Solar
- Topic: Cable entry into DC isolator
- Replies: 4
- Views: 5351
Re: Cable entry into DC isolator
They also make Anti condensation vent valves that can be fitted to exterior enclosures to help prevent condensation.
- Tue Mar 15, 2022 6:20 pm
- Forum: Transportable Installations
- Topic: Imported US boat
- Replies: 5
- Views: 5874
Re: Imported US boat
Thank you gentlemen, so it reads like the boat possibly should have never been issued a WoEF, so should the issuer of the WoEF be reported or just let the WoEF expire? As this boat resides in NZ, the owner can either operate it from his onboard generator and use the 115V outlets and appliances and n...
- Tue Mar 15, 2022 1:16 pm
- Forum: Transportable Installations
- Topic: Imported US boat
- Replies: 5
- Views: 5874
Imported US boat
Have a boat that has been imported from the States, and has since had some NZ outlets installed in the boat in NZ, wired separate to the 110V outlets. The shore supply is wired for 230V NZ, while on shore power a 230/110V transformer is used to supply the US outlets, so the US appliances are running...
- Thu Dec 23, 2021 11:33 am
- Forum: Off Topic
- Topic: Thanks for another year
- Replies: 0
- Views: 7009
Thanks for another year
Thanks for another year of meaning full discussions, enjoy the break if you are having one -cheers Peter
- Fri Dec 10, 2021 10:45 am
- Forum: Generators and Solar
- Topic: Is stand alone system inspectable
- Replies: 9
- Views: 10513
Re: Is stand alone system inspectable
In AS/NZS 4509:1 clause1.4.12 has the definition of "point of supply"
"output terminals of the standalone power system"
"output terminals of the standalone power system"
- Mon Nov 15, 2021 8:08 am
- Forum: Protective Devices
- Topic: AS/NZS 3000:2007 - 3.4.1 A2
- Replies: 16
- Views: 14561
Re: AS/NZS 3000:2007 - 3.4.1 A2
AS/NZS 3000: 2.5.3 has the formulas for protection against overload.
16mm PVC NS using table 10 from 3008 (as mention above) is good for 73A partially surrounded, so should be ok
16mm PVC NS using table 10 from 3008 (as mention above) is good for 73A partially surrounded, so should be ok
- Sat Nov 13, 2021 9:25 am
- Forum: Generators and Solar
- Topic: 5033:2012 4.4.1.5 (d) Location of means of isolation for servicing
- Replies: 11
- Views: 10052
Re: 5033:2012 4.4.1.5 (d) Location of means of isolation for servicing
5033:2014 has re written the clause, but yes a mistake again in ESRs.
- Fri Nov 12, 2021 1:10 pm
- Forum: Transportable Installations
- Topic: Transportable Structures supplying power to other structures
- Replies: 10
- Views: 8989
Re: Transportable Structures supplying power to other structures
Thanks Alec, this is just such a mess! The writers of the standards may know in their heads what they want or mean but unfortunately any readers cant get inside their heads to make sense of things or what was the intent. Having an OC protection for the pass through wiring for the outgoing socket the...
- Fri Nov 12, 2021 9:03 am
- Forum: Transportable Installations
- Topic: Transportable Structures supplying power to other structures
- Replies: 10
- Views: 8989
Re: Transportable Structures supplying power to other structures
Alec, just trying to get it clear in my head, that two or more sockets outlets supplying power to CI's on a construction site make this a caravan park, I know that is the definition in the Regs and 3001, surely a construction site (definition in 3012) is different to a caravan park. In 3012, under 2...