Search found 73 matches

by Slovett
Wed Feb 21, 2024 11:34 am
Forum: Selection and Installation of Wiring Systems
Topic: Wiring Systems installed on Ground
Replies: 3
Views: 200

Wiring Systems installed on Ground

I have a question about Wiring Systems installed on the ground (Grass Field) for temporary relocation purposes. I have a job coming up that requires the temporary relocation of Mains due to extensive Earth works at a property. The underground section of the Mains will be re-run in a temporary positi...
by Slovett
Sun Feb 18, 2024 1:53 pm
Forum: Generators and Solar
Topic: 5033 Switched Disconnector at PCE
Replies: 7
Views: 369

5033 Switched Disconnector at PCE

Hi, Just a question about Array Switch Disconnector adjacent to the PCE. I can't find the answer in either 5033:2012 or 5033:2021 (yet). When connecting 2 arrays at the PCE (Each array will be connected to a separate MPPT input) is it acceptable to use 1x 4 pole Switch Disconnector, or do you have t...
by Slovett
Mon Feb 12, 2024 2:43 pm
Forum: Generators and Solar
Topic: Enphase Mirco Inverter System
Replies: 1
Views: 188

Enphase Mirco Inverter System

I have a job coming up involving a single phase Enphase Micro Inverter System. I know 4777.1:2005 is the cited edition but Im reluctant to buy something so out of date, so Im going off the 2016 edition for now. (Standards NZ says its cited for some reason - It may be due to the Network Companies spe...
by Slovett
Fri Jan 26, 2024 12:57 pm
Forum: Distribution, Networks & Metering
Topic: Network Connection of Mains
Replies: 6
Views: 973

Re: Network Connection of Mains

Hi gregmcc,

That's a good point you bring up about Electricity not being able to flow without the Meters Connected, I've never thought of it like that, but it makes sense.
by Slovett
Thu Jan 25, 2024 1:22 pm
Forum: Distribution, Networks & Metering
Topic: Network Connection of Mains
Replies: 6
Views: 973

Re: Network Connection of Mains

Thanks for the reply AlecK. So in this case, to satisfy requirements for ESR 73A would be for the Inspector to turn up first, Inspect relevant Mains Work, then send RoI w/relevant CoC(s) for the Mains Work to the Line Mechanic - and also Meter Hanger (Currently RoI w/CoC(s) only gets sent to Meter H...
by Slovett
Wed Jan 24, 2024 3:39 pm
Forum: Distribution, Networks & Metering
Topic: Network Connection of Mains
Replies: 6
Views: 973

Re: Network Connection of Mains

O.K, I've just been given some more info - It's more to do with ESR 73A and the Line Mechanics terminating at the Network end potentially without sighting an RoI. ESR 73A (1) (d) - if the work is required to be inspected, either inspect the work and complete a record of inspection or sight a record ...
by Slovett
Wed Jan 24, 2024 2:11 pm
Forum: Distribution, Networks & Metering
Topic: Network Connection of Mains
Replies: 6
Views: 973

Network Connection of Mains

Hi, I have a question about the way Mains get connected in the WEL Network area. The Line Mechanics have been told what they are doing is illegal by another Inspector. At this stage, I disagree with the Inspector, but thought I'd post the topic for discussion. In the WEL Networks area, the Line Mech...
by Slovett
Wed Dec 20, 2023 10:12 am
Forum: Standards and Legislation
Topic: SwitchBoard Upgrade Mains Work or Not?
Replies: 3
Views: 936

Re: SwitchBoard Upgrade Mains Work or Not?

Thanks for the feed back, Sorry I was meant to say High Risk Mains Work. I thought I was right, but when you see a statement from the EWRB, it makes you guess your self! On another note - Thanks AlecK and JamieP and others for your input this year (and previous years). This page is a Gem for finding...
by Slovett
Tue Dec 19, 2023 5:27 pm
Forum: Standards and Legislation
Topic: SwitchBoard Upgrade Mains Work or Not?
Replies: 3
Views: 936

SwitchBoard Upgrade Mains Work or Not?

Hi, Not sure if this has been answered before - Ive got a question about a SwitchBoard upgrade. Is a Main Switch Board upgrade considered Mains Work? - My opinion is that it's not, as long as all High Risk Fittings existed previous to the 'Upgrade' and the SwitchBoard is staying in the same location...
by Slovett
Thu Dec 14, 2023 6:58 pm
Forum: Standards and Legislation
Topic: ESC and Council Building Inspectors
Replies: 1
Views: 606

ESC and Council Building Inspectors

Hi, Just wondering if anyone else is in the same Situation around the Country - The Hamilton City Council Building inspectors are wanting a copy of the ESC for the Final Council Sign off on new builds. They have required copies of the CoC for a while now, but in the last 6-8 months they are also wan...
by Slovett
Wed Nov 15, 2023 5:38 pm
Forum: Earthing and Bonding
Topic: 5.6.2.5 Shower and Bathroom floor Bonding
Replies: 1
Views: 864

5.6.2.5 Shower and Bathroom floor Bonding

Hi, Just a question about 5.6.2.5 - Bonding in Showers and Bathroom floors and walls. This has to be the least followed Rule in 3000 - Every time I'm Bonding the steel in a concrete floor the Council Inspectors always ask me what Im doing and look at me like a crazy man when I explain. Anyway - My q...
by Slovett
Fri Aug 18, 2023 4:06 pm
Forum: Standards and Legislation
Topic: The Act - Section 2 Subsection (3) Point of Supply
Replies: 1
Views: 832

The Act - Section 2 Subsection (3) Point of Supply

The Act - Section 2 Subsection (3) Point of Supply I've got a Question about where a Point of Supply starts in relation to Mains - The job is Rural - The Network has installed a Pillar for the new development / group of Houses being built on the road side. The previous Electrician (who I assume was ...
by Slovett
Sun Aug 13, 2023 9:13 am
Forum: Standards and Legislation
Topic: Low Risk Work on Mains Work
Replies: 4
Views: 1470

Re: Low Risk Work on Mains Work

Thanks for the feed back - I've always just had these type of Jobs Inspected in the past to save the arguments with Line Mechanic / Network Company. (I've herd some Network companies have a Company Policy to require RoI's before connection, regardless of the situation) But in this situation I never ...
by Slovett
Fri Aug 11, 2023 6:41 pm
Forum: Standards and Legislation
Topic: Low Risk Work on Mains Work
Replies: 4
Views: 1470

Low Risk Work on Mains Work

Sorry if this has been asked before - I've got a question about Low risk work on Mains Work - More specific, Work on Mains. If a damaged underground 3 phase Mains Cable that is being replaced (same trench, same path etc.), who fills out the ESC? Line mechanic or Electrician - OR maybe 1 each? 1 for ...
by Slovett
Sun Jul 16, 2023 1:08 pm
Forum: Inspection
Topic: Inspection of non-accessable items
Replies: 4
Views: 4557

Re: Inspection of non-accessable items

I've often wondered the same thing - Especially with Mains Cables running inside External Walls. A lot of homes are fully insulating the Garage walls and ceilings these days. For example - How do we know (without cutting into the wall after the house is completed) that a 16mm 1core Neutral screen wh...
by Slovett
Thu Apr 13, 2023 5:44 pm
Forum: Standards and Legislation
Topic: ESR 59 (3)(b) VS AS/NZS 3000:2007 2.6.3.4
Replies: 2
Views: 1623

ESR 59 (3)(b) VS AS/NZS 3000:2007 2.6.3.4

Hi, Just a question about ESR 59 (3)(b) in relation to AS/NZS 3000:2007 2.6.3.4. I've always been under the assumption that if all the of the circuit protection was replaced on a SwitchBoard (Fuses to MCB) then RCD protection needs to be included on circuits that require RCD protection. But someone ...
by Slovett
Fri Mar 24, 2023 2:09 pm
Forum: Standards and Legislation
Topic: Limits of work for a Distribution line Mechanic (LMD)
Replies: 4
Views: 1773

Re: Limits of work for a Distribution line Mechanic (LMD)

Thanks Alec - Just following on - is the LMD allowed to terminate the cable at the Installation (Mains Entry Box / Meter Isolator) if they don't have an LMD endorsement?

Is the endorsement more for replacement / maintenance of Mains Entry Box and Main Switches etc to restore power?
by Slovett
Thu Mar 23, 2023 4:36 pm
Forum: Standards and Legislation
Topic: Limits of work for a Distribution line Mechanic (LMD)
Replies: 4
Views: 1773

Re: Limits of work for a Distribution line Mechanic (LMD)

Problem Solved - Ive found an Info Graphic on the EWRB website that says Distribution Infrastructure is upto the Line side of the Meter.
by Slovett
Thu Mar 23, 2023 1:40 pm
Forum: Standards and Legislation
Topic: Limits of work for a Distribution line Mechanic (LMD)
Replies: 4
Views: 1773

Limits of work for a Distribution line Mechanic (LMD)

Hi, I have question about the Limits of Work for a LMD licence within an Installation (ie. House) Can a LMD licence holder run Mains to an Installation (Pillar Box to External MeterBox)? I know there is an Endorsement that allows them to do any PEW in an Installation with regards to the restoration ...
by Slovett
Tue Dec 13, 2022 8:01 pm
Forum: Standards and Legislation
Topic: ESR 25 (d) vs AS/NZS3000:2007 7.8.2.1
Replies: 1
Views: 3657

ESR 25 (d) vs AS/NZS3000:2007 7.8.2.1

Hi all, Sorry if this is a stupid question - its been a long year and looking forward to some beach time. This question is in relation to Construction / demotion site compliance. ESR25 (d) states that following 3012 is deemed to be electrically safe. I could be wrong but its not mandatory to follow ...
by Slovett
Tue Dec 13, 2022 1:42 pm
Forum: Earthing and Bonding
Topic: MEC sized by max demand
Replies: 7
Views: 7942

Re: MEC sized by max demand

I’ve got a similar scenario - The Electrician has run a 4mm as the Main Earth by mistake. On a block of Appartments. The Mains are a combination of 16mm and 25mm. While not an ideal Solution - If a 40A MCB was installed as the Meter Isolator (Max demand via limitation) could you then class 16mm and ...
by Slovett
Fri Dec 02, 2022 1:30 pm
Forum: Transportable Installations
Topic: Tiny Home WoEF renewal
Replies: 8
Views: 4537

Re: Tiny Home WoEF renewal

Thanks AlecK -

If the Tiny Home (or any other CI) was being used on Private Property as a Rental or Air B'n'B then I'd assume ESR 77(1) would come into play, which means it would need a current WoEF, even if the CI was never moved or the supply was never disconnected?
by Slovett
Thu Dec 01, 2022 11:22 am
Forum: Transportable Installations
Topic: Tiny Home WoEF renewal
Replies: 8
Views: 4537

Re: Tiny Home WoEF renewal

Thanks guys
by Slovett
Tue Nov 29, 2022 11:34 am
Forum: Transportable Installations
Topic: Tiny Home WoEF renewal
Replies: 8
Views: 4537

Tiny Home WoEF renewal

Apologies if this question has already been answered on another thread - This question relates to Tiny Home Connectable Installations. Does a Tiny Home CI need to renew its WoEF after the first 4 years if it stays on the same site and is connected to the same supply? ESR 77(1) Says CI must have a cu...
by Slovett
Fri Oct 21, 2022 8:25 pm
Forum: Standards and Legislation
Topic: Socket Outlets 3000:2007 - 4.4.4.1
Replies: 2
Views: 2851

Re: Socket Outlets 3000:2007 - 4.4.4.1

Hi Jamie,

Yes your right, I skipped over the Fixed and Stationary Appliance definition and just focused on the definition of Appliance.

Thank you.
by Slovett
Fri Oct 21, 2022 6:01 pm
Forum: Standards and Legislation
Topic: Socket Outlets 3000:2007 - 4.4.4.1
Replies: 2
Views: 2851

Socket Outlets 3000:2007 - 4.4.4.1

I have a question about switching 10A socket outlets and whether a 10A socket has to be switched. 3000:2007 4.4.4.1 states Each Socket outlet shall be individually controlled by a seperate switch, with Exceptions. I'm having trouble getting my head around Exception 2 - which says: A Socket-outlet th...
by Slovett
Sun Oct 02, 2022 10:44 am
Forum: Standards and Legislation
Topic: Certification in large industrial situations
Replies: 2
Views: 3100

Re: Certification in large industrial situations

I would think the CoC / ESC being issued would go to the owner of the installation or in a big commercial / industrial installation it would go to the the facilities management manager who would file it with other Building certs. on behalf of the building / installation owner.
by Slovett
Sat Oct 01, 2022 11:58 pm
Forum: Standards and Legislation
Topic: Employer held responsible for workers transposition
Replies: 3
Views: 3320

Re: Employer held responsible for workers transposition

Yeah, it’s one of those articles that after reading, that you hope you’ve got all checks in place just in case something like this ever happens. But, I am wondering why the Judge / WorkSafe didn’t place more emphasis on the inspector not testing? In my view the hazard did not exist until the Inspect...
by Slovett
Wed Aug 10, 2022 4:49 pm
Forum: Electric Vehicles and Charging Systems
Topic: Tesla Gen.3 Wall Charger
Replies: 9
Views: 5195

Tesla Gen.3 Wall Charger

Hi, I've just installed a Gen.3 TESLA Wall Charger. 32A Circuit with Type A RCD Protection at SwitchBoard (Wall Charger has Built in RDC-DD Protection) I know everything about EV chargers are just guidance at this stage, but the way WorkSafe seems to be investigating these days, it's better to be sa...
by Slovett
Tue Aug 09, 2022 10:02 am
Forum: Standards and Legislation
Topic: Mobile Military Installation
Replies: 1
Views: 2277

Mobile Military Installation

Hi, I've been asked by an Electrician who isn't part of this Forum on some advice for a project he is involved with. It's a Mobile Installation for the Military. Basically a mobile Mechanics workshop / Mobile Tyre Changer to use during Military operations. He is just making sure he is on the right t...
by Slovett
Tue Aug 09, 2022 9:07 am
Forum: Selection and Installation of Wiring Systems
Topic: How to calculate how much volt drop % is already used?
Replies: 5
Views: 3796

Re: How to calculate how much volt drop % is already used?

A method I've been told about and use is to use a loop impedance tester. However it does require taking a reading from the PoS, which usually means you need to get the Network involved for access. Comes in handy if you are trying to fix Voltage Drop issues that may be within an Installation. Example...
by Slovett
Wed May 04, 2022 12:45 pm
Forum: Standards and Legislation
Topic: ESC demarcation point
Replies: 12
Views: 5933

Re: ESC demarcation point

Yes thats true. WEL Networks will only terminate Mains if the Mains are terminated at the MeterBoard Isolator. As far as I know, WEL Networks don't let anyone else enter their Pillars to do new Mains terminations - Meter Hangers have permission to pull and insert fuse's. And if the Mains aren't term...
by Slovett
Tue May 03, 2022 6:11 pm
Forum: Inspection
Topic: MeterBoard Location (AS/NZS3000 - 4.18.3) - Inspector Responsibility or not?
Replies: 7
Views: 5575

Re: MeterBoard Location (AS/NZS3000 - 4.18.3) - Inspector Responsibility or not?

It was a few months ago now but I'm pretty sure the MeterBoard was within the Hazardous Zone (Below 1600mm from ground level and within the 800mmm across from gas riser). In terms of the gas standards - I don't have access to 5601 or 60079 - but can they override what is said in 3000? I may be wrong...
by Slovett
Tue May 03, 2022 5:44 pm
Forum: Standards and Legislation
Topic: ESC demarcation point
Replies: 12
Views: 5933

Re: ESC demarcation point

I've got another question that hopefully fits in with this thread - My local council Building Inspectors have recently been asking for a copy of the ESC (as well as the CoC and RoI) as part of their Building Consent Cert. on new Houses. My question is - who is responsible for issuing the ESC? (the E...
by Slovett
Thu Mar 10, 2022 5:02 pm
Forum: Inspection
Topic: MeterBoard Location (AS/NZS3000 - 4.18.3) - Inspector Responsibility or not?
Replies: 7
Views: 5575

MeterBoard Location (AS/NZS3000 - 4.18.3) - Inspector Responsibility or not?

This is just following on from the previous thread about Inspectors responsibility or not - MeterBoard locations - (4.18.3) I've noticed on a lot of new builds that the MeterBoards are within the Hazardous Areas for Reticulated Gas Supply Regulators (photo Attached) Maybe the Gas Fitters are piping ...
by Slovett
Fri Feb 18, 2022 12:26 pm
Forum: Transportable Installations
Topic: Imported Coffee Cart WoEF
Replies: 9
Views: 5209

Re: Imported Coffee Cart WoEF

Thanks AlecK. The only 'Imported' appliance left in the install is the Electric Tap. Everything else has been replaced with new NZ compliant appliances (Hot Plates, Fridge etc.) which I have tested. All Power points have been replaced with NZ type. The only power point left is the under sink power p...
by Slovett
Fri Feb 18, 2022 10:38 am
Forum: Transportable Installations
Topic: Imported Coffee Cart WoEF
Replies: 9
Views: 5209

Re: Imported Coffee Cart WoEF

Thanks for your feedback - I've got them to replace the Earthing back to the switchboard earth bar. (EDIT) Previous Earth resistances where around 2ohms or greater. - I have a further question regarding single insulation. The whole installation has been wired in Single insulated conductors. (I've fo...
by Slovett
Wed Feb 16, 2022 1:16 pm
Forum: Transportable Installations
Topic: Imported Coffee Cart WoEF
Replies: 9
Views: 5209

Re: Imported Coffee Cart WoEF

You're right sorry, I left out Part 1 by mistake.
by Slovett
Wed Feb 16, 2022 12:07 pm
Forum: Transportable Installations
Topic: Imported Coffee Cart WoEF
Replies: 9
Views: 5209

Imported Coffee Cart WoEF

I have a job coming up where an Imported Coffee Cart (Transportable Installation) is needing a WoEF. Because it's imported I'll need to Check Over Section 8 of 3000 + Appendix C 3001. I've already been told by the Electrician on site that the continuity of the Earths on the power points are reliant ...
by Slovett
Sat Dec 11, 2021 3:41 pm
Forum: Inspection
Topic: Solar inspections ?
Replies: 1
Views: 2925

Re: Solar inspections ?

It's the whole PV installation (from the Panels to the PCE / Inverter) that needs inspecting. I think the NZEIA page has a tick sheet for PV Inspections
by Slovett
Fri Dec 10, 2021 9:18 am
Forum: Generators and Solar
Topic: Is stand alone system inspectable
Replies: 9
Views: 6910

Re: Is stand alone system inspectable

Came here to ask this exact question - Thanks! To to further on from the question - I've obviously missed a definition somewhere. But why isn't a Generator / Inverter considered a PoS in terms of Mains, when it is the sole supply of Electricity in an off grid system? I would have assumed the cable s...
by Slovett
Mon Nov 15, 2021 9:22 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

2.5.3.1 - For HRC fuses the protective device needs to be 0.9 or less of the cable CCC. So the 63A (60A?) fuse is fine for 16mm² PVC partially surrounded. Sorry Doug, my mistake, I was looking at the wrong section of Table 10. So 16mm PVC n/s partially surrounded is rated at 73A, Which Means the HR...
by Slovett
Mon Nov 15, 2021 9:11 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 Yes your right Pete. 73A Partially surrounded. My mistake, I was looking at Partially surrounded, in a wiring enclosure.
by Slovett
Sun Nov 14, 2021 10:46 pm
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

The Network's documentation will not say that they provide overload protection, but the same as any HRC fuse, they do provide overload protection. It's common in many areas not to have any additional overload protection on the installation side. Is the fact that its common for no additional over lo...
by Slovett
Sun Nov 14, 2021 10:52 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

That’s true, but you would be doing well if you found any overload protection for Mains in a house wired in Hamilton / Waikato. No one gets audited, so no one either knows about it, or bothers. The silly thing is, when you work it out, it’s actually cheaper to install a MCB with an enclosure in-plac...
by Slovett
Sun Nov 14, 2021 9:38 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

Thanks for the reply’s - The reason I say 40A MCB protection for a 16mm2 N/S is I’m using worst case scenario. Most of the N/S I see is PVC (probably because it cheaper the XLPE), so table 10. And in the Waikato, from what I’ve seen, in the walls, it’s common practice for the thermal insulation inst...
by Slovett
Sat Nov 13, 2021 9:45 pm
Forum: Protective Devices
Topic: AS/NZS 3000:2007 - 3.4.1 A2
Replies: 16
Views: 8734

AS/NZS 3000:2007 - 3.4.1 A2

Sorry if this has been asked before - AS/NZS 3000:2007 - 3.4.1 A2 says that in domestic installs in NZ, that we must assume that Thermal insulation will be installed in walls, ceiling and under floors. If not currently, then in the future. So, the way I interpret this clause is according to table C5...
by Slovett
Sat Nov 13, 2021 8:25 pm
Forum: Inspection
Topic: Project Manger Inspecting
Replies: 4
Views: 4037

Re: Project Manger Inspecting

I’m jumping into this Thread with a follow up question if that’s OK - Does ESR 71 only include the PEW that is High Risk? Or would it include the PEW for the whole project? I’m guessing if there were multiple CoCs issued - 1 for the high risk work, and 1 for General PEW (Inspector only supervising o...
by Slovett
Sat Nov 13, 2021 10:50 am
Forum: Selection and Installation of Wiring Systems
Topic: AS/NZS 3000:2007 - 3.9.4.4 (a)
Replies: 4
Views: 3466

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

Thanks again guys - yes 'Un-trademan like' was definitely an understatement.
by Slovett
Thu Nov 11, 2021 10:43 pm
Forum: Selection and Installation of Wiring Systems
Topic: AS/NZS 3000:2007 - 3.9.4.4 (a)
Replies: 4
Views: 3466

AS/NZS 3000:2007 - 3.9.4.4 (a)

I've come across some 'un-tradesman like' wiring in a new house that I'm pre-wiring. The Solar installers have installed their PV Panels and have run 2 DC Strings (which are also hanging out unterminated through a flush box LIVE - 270VDC on each String, but thats a seperate issue) in a HD-T Solar Fl...