Search found 146 matches

by PeteRig
Mon Mar 18, 2024 2:10 pm
Forum: Inspection
Topic: Hi Risk Work-EWRB drawing
Replies: 5
Views: 68

Re: Hi Risk Work-EWRB drawing

Maybe because they think they know everything
by PeteRig
Sat Mar 16, 2024 2:17 pm
Forum: Inspection
Topic: Hi Risk Work-EWRB drawing
Replies: 5
Views: 68

Re: Hi Rsik Work-EWRB drawing

No harm in getting an inspection either way, another set of eyes
by PeteRig
Sat Mar 16, 2024 8:12 am
Forum: Inspection
Topic: Hi Risk Work-EWRB drawing
Replies: 5
Views: 68

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
by PeteRig
Sat Feb 24, 2024 5:23 pm
Forum: Generators and Solar
Topic: 5033 Switched Disconnector at PCE
Replies: 7
Views: 369

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...
by PeteRig
Sat Feb 24, 2024 5:11 pm
Forum: Generators and Solar
Topic: Earth wire type for PV Array
Replies: 17
Views: 2724

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...
by PeteRig
Fri Feb 23, 2024 11:59 am
Forum: Generators and Solar
Topic: Earth wire type for PV Array
Replies: 17
Views: 2724

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,...
by PeteRig
Fri Feb 23, 2024 8:31 am
Forum: Generators and Solar
Topic: Earth wire type for PV Array
Replies: 17
Views: 2724

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 ...
by PeteRig
Wed Feb 21, 2024 11:49 am
Forum: Selection and Installation of Wiring Systems
Topic: Wiring Systems installed on Ground
Replies: 3
Views: 216

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.
by PeteRig
Wed Feb 21, 2024 10:08 am
Forum: Generators and Solar
Topic: Earth wire type for PV Array
Replies: 17
Views: 2724

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 ...
by PeteRig
Wed Feb 21, 2024 8:08 am
Forum: Generators and Solar
Topic: 5033 Switched Disconnector at PCE
Replies: 7
Views: 369

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
by PeteRig
Tue Feb 20, 2024 8:28 am
Forum: Generators and Solar
Topic: Earth wire type for PV Array
Replies: 17
Views: 2724

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...
by PeteRig
Mon Feb 19, 2024 7:53 am
Forum: Generators and Solar
Topic: 5033 Switched Disconnector at PCE
Replies: 7
Views: 369

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 ...
by PeteRig
Wed May 31, 2023 10:55 am
Forum: Standards and Legislation
Topic: Veterinary Clinic
Replies: 1
Views: 992

Veterinary Clinic

A veterinary clinic would come under AS/NZS3000 and any other standards?
by PeteRig
Thu May 25, 2023 7:51 am
Forum: Distribution, Networks & Metering
Topic: Point of Supply
Replies: 11
Views: 6384

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?
by PeteRig
Tue May 16, 2023 10:26 am
Forum: Switchboards
Topic: AS/NZS 3000:2018 clause 2.10.2.2.2
Replies: 4
Views: 1579

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.
by PeteRig
Mon May 15, 2023 5:49 pm
Forum: Switchboards
Topic: AS/NZS 3000:2018 clause 2.10.2.2.2
Replies: 4
Views: 1579

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)?
by PeteRig
Mon May 15, 2023 2:49 pm
Forum: Switchboards
Topic: AS/NZS 3000:2018 clause 2.10.2.2.2
Replies: 4
Views: 1579

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...
by PeteRig
Thu May 04, 2023 7:50 am
Forum: Electric Vehicles and Charging Systems
Topic: EV isolators in public carparks
Replies: 2
Views: 1709

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...
by PeteRig
Thu Apr 20, 2023 8:14 am
Forum: Generators and Solar
Topic: Alternative supply connected to db?
Replies: 2
Views: 1433

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
by PeteRig
Wed Apr 19, 2023 2:56 pm
Forum: Transportable Installations
Topic: Transportable structure installed to construction demolision standard
Replies: 11
Views: 2323

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?
by PeteRig
Wed Apr 19, 2023 10:39 am
Forum: Transportable Installations
Topic: Transportable structure installed to construction demolision standard
Replies: 11
Views: 2323

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 ...
by PeteRig
Mon Apr 17, 2023 9:09 am
Forum: Transportable Installations
Topic: Transportable structure installed to construction demolision standard
Replies: 11
Views: 2323

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
by PeteRig
Sat Apr 01, 2023 11:35 am
Forum: Electric Vehicles and Charging Systems
Topic: Tesla Gen.3 Wall Charger
Replies: 9
Views: 5195

Re: Tesla Gen.3 Wall Charger

Thanks Alec, why do the guidelines in 2.6 (f) say "use a purpose built RCD Tester...."?
by PeteRig
Sat Apr 01, 2023 8:23 am
Forum: Electric Vehicles and Charging Systems
Topic: Tesla Gen.3 Wall Charger
Replies: 9
Views: 5195

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
by PeteRig
Wed Dec 07, 2022 1:01 pm
Forum: Inspection
Topic: Inspection of non-accessable items
Replies: 4
Views: 4559

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
by PeteRig
Fri Nov 18, 2022 10:29 am
Forum: Standards and Legislation
Topic: DR AS/NZS3017
Replies: 5
Views: 4531

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
by PeteRig
Fri Sep 30, 2022 11:58 am
Forum: Standards and Legislation
Topic: Employer held responsible for workers transposition
Replies: 3
Views: 3320

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...
by PeteRig
Thu Aug 25, 2022 2:02 pm
Forum: Switchboards
Topic: Switchboard construction
Replies: 1
Views: 2726

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 ...
by PeteRig
Thu Jul 28, 2022 8:23 am
Forum: Standards and Legislation
Topic: Formal Warning on incorrect COC information
Replies: 7
Views: 4148

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.
by PeteRig
Fri Jun 17, 2022 9:44 am
Forum: Standards and Legislation
Topic: Formal Warning on incorrect COC information
Replies: 7
Views: 4148

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.
by PeteRig
Sat May 21, 2022 4:24 pm
Forum: Standards and Legislation
Topic: Formal Warning on incorrect COC information
Replies: 7
Views: 4148

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...
by PeteRig
Fri May 20, 2022 8:47 pm
Forum: Standards and Legislation
Topic: Formal Warning on incorrect COC information
Replies: 7
Views: 4148

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...
by PeteRig
Fri Apr 01, 2022 1:41 pm
Forum: Distribution, Networks & Metering
Topic: Point of Supply
Replies: 11
Views: 6384

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...
by PeteRig
Wed Mar 30, 2022 8:39 pm
Forum: Distribution, Networks & Metering
Topic: Point of Supply
Replies: 11
Views: 6384

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 ...
by PeteRig
Wed Mar 30, 2022 7:55 pm
Forum: Distribution, Networks & Metering
Topic: Point of Supply
Replies: 11
Views: 6384

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...
by PeteRig
Wed Mar 30, 2022 12:14 pm
Forum: Inspection
Topic: Signing ESC
Replies: 3
Views: 3576

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?
by PeteRig
Wed Mar 30, 2022 9:17 am
Forum: Distribution, Networks & Metering
Topic: Point of Supply
Replies: 11
Views: 6384

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...
by PeteRig
Thu Mar 17, 2022 9:46 am
Forum: Generators and Solar
Topic: Cable entry into DC isolator
Replies: 4
Views: 3413

Re: Cable entry into DC isolator

They also make Anti condensation vent valves that can be fitted to exterior enclosures to help prevent condensation.
by PeteRig
Tue Mar 15, 2022 6:20 pm
Forum: Transportable Installations
Topic: Imported US boat
Replies: 5
Views: 3662

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...
by PeteRig
Tue Mar 15, 2022 1:16 pm
Forum: Transportable Installations
Topic: Imported US boat
Replies: 5
Views: 3662

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...
by PeteRig
Thu Dec 23, 2021 11:33 am
Forum: Off Topic
Topic: Thanks for another year
Replies: 0
Views: 5852

Thanks for another year

Thanks for another year of meaning full discussions, enjoy the break if you are having one -cheers Peter
by PeteRig
Fri Dec 10, 2021 10:45 am
Forum: Generators and Solar
Topic: Is stand alone system inspectable
Replies: 9
Views: 6954

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"
by PeteRig
Mon Nov 15, 2021 8:08 am
Forum: Protective Devices
Topic: AS/NZS 3000:2007 - 3.4.1 A2
Replies: 16
Views: 8734

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
by PeteRig
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: 5807

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.
by PeteRig
Fri Nov 12, 2021 1:10 pm
Forum: Transportable Installations
Topic: Transportable Structures supplying power to other structures
Replies: 10
Views: 5155

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...
by PeteRig
Fri Nov 12, 2021 9:03 am
Forum: Transportable Installations
Topic: Transportable Structures supplying power to other structures
Replies: 10
Views: 5155

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...
by PeteRig
Fri Nov 12, 2021 7:46 am
Forum: Selection and Installation of Wiring Systems
Topic: AS/NZS 3000:2007 - 3.9.4.4 (a)
Replies: 4
Views: 3468

Re: AS/NZS 3000:2007 - 3.9.4.4 (a)

Just adding to what you have asked, in the draft 5033:2021 if goes through unchanged the DC cabling will not be able to within 600mm of a ceiling, flat roof situation cabling has to be within 1m of external walls, the requirements come with good diagrams to show what is required. One of the reasons ...
by PeteRig
Thu Nov 11, 2021 11:14 am
Forum: Transportable Installations
Topic: Transportable Structures supplying power to other structures
Replies: 10
Views: 5155

Re: Transportable Structures supplying power to other structures

In answer to your question the three TS's the other day had RCD's not RCBO's I have also asked around and the feedback I am getting is not compliant and not good practice if it was a compliant. Just found out these TS's are manufactured in Palmerston Nth, and wired by a local electrical company, so ...
by PeteRig
Thu Nov 11, 2021 10:30 am
Forum: Selection and Installation of Wiring Systems
Topic: What part is connection? ESR73A
Replies: 15
Views: 4054

Re: What part is connection? ESR73A

Fair call Jamie on ESR 73A, so yes probably agree with you, good discussion though but unable to answer your question sorry.