Search found 478 matches

by JamieP
Fri Mar 22, 2024 8:10 pm
Forum: Testing & Verification
Topic: RCD testing - 180V line A to load N
Replies: 8
Views: 264

Re: RCD testing - 180V line A to load N

Sorry, I should have specified although I used a T6 voltage measurements were taken with the two leads attached and not via the clamp thing.

But appreciate the info Alec
by JamieP
Fri Mar 15, 2024 3:48 pm
Forum: Testing & Verification
Topic: RCD testing - 180V line A to load N
Replies: 8
Views: 264

Re: RCD testing - 180V line A to load N

Ah, in this case I used a Fluke T6

It wasn't mine but a coleuges
by JamieP
Mon Mar 11, 2024 5:46 pm
Forum: Inspection
Topic: Do regenerate drives needs inspection?
Replies: 3
Views: 128

Re: Do regenerate drives needs inspection?

Well, I would assume so, yes, under breaking the drive with back feed and power anything simultaneously with grid power
by JamieP
Mon Mar 11, 2024 5:45 pm
Forum: Testing & Verification
Topic: RCD testing - 180V line A to load N
Replies: 8
Views: 264

Re: RCD testing - 180V line A to load N

Very weird.

Downstream was 6 socket outlets, nothing plugged in. 2 general purpose, 4 for lights

Upstream was inlet. This was in two identical transportable installations.
by JamieP
Sun Mar 10, 2024 3:54 pm
Forum: Testing & Verification
Topic: RCD testing - 180V line A to load N
Replies: 8
Views: 264

RCD testing - 180V line A to load N

When testing RCDs I am pressing the test button. I confirm 230V on line side A and N I confirm 0V on load side A and N I confirm 0V on load side A and line side N But I am getting 180V when testing line side A and load side N Shouldn't this be 0V as well? Is this caused by internal components? EC te...
by JamieP
Sat Mar 09, 2024 8:23 am
Forum: Inspection
Topic: Do regenerate drives needs inspection?
Replies: 3
Views: 128

Do regenerate drives needs inspection?

https://dynesystems.com/products/drives ... r%20source.

Do drives with a "regenerative" function count as mains parallel generation, and if so require inspection?
by JamieP
Sun Feb 25, 2024 8:47 pm
Forum: General Electrical Discussions
Topic: Nelson electrician Stephen Burton’s failure to carry out ‘simple task’ linked to death of builder Craig Johnston
Replies: 13
Views: 1827

Re: Nelson electrician Stephen Burton’s failure to carry out ‘simple task’ linked to death of builder Craig Johnston

Part of me thinks this poor guy is being made an example for the rest of us to sharpen our processes Disagree, this "poor guy" killed someone due to his incompetence and by not doing absolute basics. It shouldn't be a case of upping our game as the bar should not be so damn low. I can't believe a l...
by JamieP
Sat Feb 24, 2024 5:02 pm
Forum: General Electrical Discussions
Topic: lightning protection system certification
Replies: 2
Views: 198

Re: lightning protection system certification

Yeah good point.

Is it PEW under Schedule 1 of ESRS is probably the main question.

Does it meet the exception for being a supply not exceeding ELV?
by JamieP
Sat Feb 24, 2024 4:47 pm
Forum: Generators and Solar
Topic: 5033 Switched Disconnector at PCE
Replies: 7
Views: 369

Re: 5033 Switched Disconnector at PCE

What about 2.1.4.2? "Each PV array shall have a switch-disconnector to provide isolation of the inverter. The provisions of multiple switch-disconnectors in Clause 4.4.1.3 applies and a warning sign as required in Clause 5.5.2 shall be provided." Or does having a shared one still consitute each arra...
by JamieP
Sat Feb 24, 2024 4:40 pm
Forum: Generators and Solar
Topic: Earth wire type for PV Array
Replies: 17
Views: 2724

Re: Earth wire type for PV Array

I just talked to Glen Morris yesturday about this who is a member of EL-042

I didn't get clarification on whether this was the case still in 2012 but he did say that conduit wire, provided it is stranded is suitible for PV array earthing or bonding as per 5033.
by JamieP
Wed Feb 21, 2024 2:35 pm
Forum: Selection and Installation of Wiring Systems
Topic: Wiring Systems installed on Ground
Replies: 3
Views: 196

Re: Wiring Systems installed on Ground

All that really matters is what's likely to cause damage? A person walking in it, HD conduit is probably fine A car driving over it, HD conduit probably not fine There is guidance on suitable WSX ratings based on likely risk in the appendixs of 3000 that can be helpful. Just make sure the mechanical...
by JamieP
Tue Feb 20, 2024 6:50 pm
Forum: Generators and Solar
Topic: 5033 Switched Disconnector at PCE
Replies: 7
Views: 369

Re: 5033 Switched Disconnector at PCE

Also a question I've wondered. Know that each MPPT connection is deemed a separate array and that each array requires one. Question is is one device for two arrays suitable as you're asking and I don't have a definitive answer. I advise clients for one for each array as I'd rather be on the safe sid...
by JamieP
Tue Feb 20, 2024 6:42 pm
Forum: Generators and Solar
Topic: Earth wire type for PV Array
Replies: 17
Views: 2724

Re: Earth wire type for PV Array

The UV suitability is also interesting because 3000 only really deals with direct sunlight in 3.2. Where as other parts of 5033 discuss reflected UV in terms of cable supports and not using plastic ties Maybe I need to drop my expectations to any stranded cable and only needing UV protection (which ...
by JamieP
Mon Feb 19, 2024 8:24 pm
Forum: Generators and Solar
Topic: Earth wire type for PV Array
Replies: 17
Views: 2724

Re: Earth wire type for PV Array

Rehashing this as it's driving me mad. I'm receiving a lot of push back on the fact I've been asking for the earth cables to be flexible and UV rated. Apparently according to multiple Inspectors and Electricians both AU and NZ seem to deem this over the top and a standard stranded conduit wire is su...
by JamieP
Sun Feb 04, 2024 12:01 pm
Forum: Inspection
Topic: Batteries connected to PV PCE
Replies: 5
Views: 690

Re: Batteries connected to PV PCE

Thanks Alec

Just for your reference and understanding.

https://www.energysage.com/energy-stora ... d-to-know/

There are multiple web pages with info on this. It's a common term in this industry.
by JamieP
Wed Jan 31, 2024 12:46 pm
Forum: Inspection
Topic: Batteries connected to PV PCE
Replies: 5
Views: 690

Re: Batteries connected to PV PCE

In this case they connect via a plug in conncetor. I guess maybe it could change if they are AC coupled or DC coupled? I was just asked the question by a client when doing a PV inspection if they would need an inspection of the batteries if installed at a later date. Initial thought was no in this c...
by JamieP
Tue Jan 30, 2024 6:25 pm
Forum: Inspection
Topic: Batteries connected to PV PCE
Replies: 5
Views: 690

Batteries connected to PV PCE

Do batteries connected to an inverter fall under mains parallel generation? Or is it simply switchboard through to PCE high risk, PV install high risk, batteries general risk?
by JamieP
Thu Jan 04, 2024 12:57 pm
Forum: Appliances
Topic: MS305 Small Stock Stunner
Replies: 2
Views: 1055

Re: MS305 Small Stock Stunner

Is an SDoC worth anything if it's not for a DMRA? Anyhow compliance with 6116 doesn't meet ESR 83 (3)(b) and isnt 6116 an installation standard rather than a product standard. I thought this was the point in Schedule 2 vs Schedule 4 Shouldn't items not medium or high risk articles have certificates ...
by JamieP
Thu Dec 21, 2023 10:57 am
Forum: Appliances
Topic: MS305 Small Stock Stunner
Replies: 2
Views: 1055

MS305 Small Stock Stunner

I have been asked to do an inspection on a soon to be installed animal stunning unit. I have asked the following "Can I be provided with all manufacturers information as per 1.6 of NZS 6116 “(b) A copy of the manufacturers or supplier’s documentation for the appliance which should contain: (i) A lis...
by JamieP
Tue Dec 19, 2023 7:46 pm
Forum: Standards and Legislation
Topic: SwitchBoard Upgrade Mains Work or Not?
Replies: 3
Views: 936

Re: SwitchBoard Upgrade Mains Work or Not?

There will still be mains work, as you'll be working on the fittings that meet the description but provided the mains work parts are maintained or replacement then they fall under low risk. Mains and MEC can also be extended as low risk to facilitate such replacement. I only believe it becomes high ...
by JamieP
Wed Nov 29, 2023 3:26 pm
Forum: Generators and Solar
Topic: Generator set up
Replies: 6
Views: 1185

Re: Generator set up

Does 7.3.6 Earthing prohibit the use of isolated supply above 25kVA? Based on the exception? or is this just in relation to connections to an installation?
by JamieP
Wed Nov 29, 2023 9:46 am
Forum: Generators and Solar
Topic: Generator set up
Replies: 6
Views: 1185

Re: Generator set up

So essentially all that really needs to be considered is I have 2 socket outlets that are part of the genset and the only real consideration is do I set the genset up as an isolated output or an RCD protected output I did look at the guidance on feeding single loads but was unsure if that still appl...
by JamieP
Mon Nov 27, 2023 6:00 pm
Forum: Generators and Solar
Topic: Generator set up
Replies: 6
Views: 1185

Generator set up

Posting on behalf as I don't have an answer. The two socket outlets feed a 125A lifeguard unit with multiple RCBOs and a skid set up for the client. Unsure if the 125A skin counts as a big appliance or connectable installation. Also unsure if this makes any difference. "I've got a question about a s...
by JamieP
Tue Oct 10, 2023 1:26 pm
Forum: Testing & Verification
Topic: Induced Voltage In Domestic Wiring
Replies: 5
Views: 1642

Re: Induced Voltage In Domestic Wiring

Just a side note isn't stuff like this why 1.5.11.4 exists?
by JamieP
Wed Oct 04, 2023 6:36 pm
Forum: Testing & Verification
Topic: Certification of conveyor system
Replies: 2
Views: 846

Re: Certification of conveyor system

On the right track then I guess. Connection was made by others and a COC and ESC provided for this portion of the installation. To me, it's certified and someone has already decided that whatever lack of proof of what it complies with was good enough for them to connect (although most likely didn't ...
by JamieP
Sun Oct 01, 2023 10:49 am
Forum: Selection and Installation of Wiring Systems
Topic: N pin on socket used for other means
Replies: 3
Views: 1366

N pin on socket used for other means

I have a site that has motors controlled via VFD. The motors are run in suitable VFD cable. The client wants the motors to connect via plug and socket arrangement. Rather than a 3+E socket they want to use a 3+N+E but want to use the N pin to continue the screen through. I don't like this at all, I ...
by JamieP
Fri Sep 29, 2023 9:33 am
Forum: Testing & Verification
Topic: Certification of conveyor system
Replies: 2
Views: 846

Certification of conveyor system

I have been asked to certify a conveyor system from an OEM manufacturer. It consists of control panels, motors, sensors etcetc and is for picking goods for pharmacutical purposes. A feed from a DB has already been connected and certified to the main control cabinet. I believe installation wiring end...
by JamieP
Thu Sep 28, 2023 11:58 am
Forum: Standards and Legislation
Topic: NZS 6116 2.1.2 Isolating Transformers and earth reference
Replies: 1
Views: 856

NZS 6116 2.1.2 Isolating Transformers and earth reference

"Electrode circuits for Class A, B and C stunning and stimulating equipment not protected by barriers shall be supplied from an isolating class transformer complying with AS/NZS 61558.2.4 with no direct earth reference unless specifically allowed in section 3." I can't see any allowance in section 3...
by JamieP
Fri Sep 22, 2023 10:29 am
Forum: Standards and Legislation
Topic: "Household and similar electrical appliances"
Replies: 6
Views: 1392

Re: "Household and similar electrical appliances"

No worries Alec, take care and thanks for all the help as always.

Hopefully you do get a chance at some point, even if it's a wee while a way as I'm struggling to navigate what I actually need between ESRs and NZS 6116.
by JamieP
Thu Sep 21, 2023 11:52 am
Forum: Standards and Legislation
Topic: "Household and similar electrical appliances"
Replies: 6
Views: 1392

Re: "Household and similar electrical appliances"

Basically the purpose of my question is I'm just trying to work through want certification would need to be required when a company wants to install a new piece of animal stunning or meat conditioning equipment. ESR 80 says it needs to be electrically safe and is deemed electrically safe if it compl...
by JamieP
Wed Sep 20, 2023 10:01 am
Forum: Standards and Legislation
Topic: "Household and similar electrical appliances"
Replies: 6
Views: 1392

Re: "Household and similar electrical appliances"

So an industrial animal stunner that will never be in a domestic purpose isn't included? So certification to this wouldn't stand?

I just got thrown off as the scope of that IEC standard made it seem like industrial equipment would still be included.
by JamieP
Tue Sep 19, 2023 12:26 pm
Forum: Standards and Legislation
Topic: "Household and similar electrical appliances"
Replies: 6
Views: 1392

"Household and similar electrical appliances"

If a schedule 4 standard, such as "Electrical animal-stunning equipment - Standard A, or standard B, in conjunction with IEC 60335-2-87 Ed 2.2" If a piece of equipment/appliance has certification for this, is still suitible for an industrial situation? What does the Household and similar electrical ...
by JamieP
Tue Sep 05, 2023 8:52 am
Forum: Off Topic/General Electrical Discussions
Topic: What defines who can do PEW
Replies: 4
Views: 1379

Re: What defines who can do PEW

Opening a cabinet, even with a tool or not is not PEW. Can't see anything in Schedule 1 of ESRS that would make it so.

I'd say they are fine as they are not doing PEW and are also taking the appropriate precautions.
by JamieP
Thu Aug 31, 2023 8:12 pm
Forum: Inspection
Topic: PV Inspections - what parts are relevant?
Replies: 1
Views: 917

PV Inspections - what parts are relevant?

PEW on PV systems is high risk PEW. This requires inspection to confirm it complys with it complies with 3000 and 5033. (Unless part 1 design) Do we need to ensure all of 5033 is complied with? Do we need to confirm the mounting etc has its suitible certificates and installation? Or is it just the P...
by JamieP
Sat Aug 26, 2023 3:59 pm
Forum: Standards and Legislation
Topic: NZS 6116 - Working on class B equipment.
Replies: 0
Views: 1179

NZS 6116 - Working on class B equipment.

3.1.1 Except as provided for in 3.1.2 or under the relevant requirements specified in 3.7.4, no animal or carcass shall be worked on by persons while electricity is applied. So to me there are 2 situations only anyone can work on an animal while electricity is applied. 3.1.2 Protection against direc...
by JamieP
Sat Aug 26, 2023 8:21 am
Forum: Generators and Solar
Topic: pv must be connected to an MEN switchboard
Replies: 4
Views: 1206

Re: pv must be connected to an MEN switchboard

Side note but 4777 has labeling requirements for the board you connect to, any intermediate boards and the main switchboard if you connect elsewhere from the main switchboard.
by JamieP
Sun Aug 06, 2023 3:45 pm
Forum: Earthing and Bonding
Topic: MEN colour if insulated 5.3.5.3
Replies: 1
Views: 1093

MEN colour if insulated 5.3.5.3

Is it a mistake that green alone is allowed for insulated MEN connection's?

Or is there a specific reason?
by JamieP
Sun Aug 06, 2023 11:29 am
Forum: Standards and Legislation
Topic: NZS6116 - Equipotential zones
Replies: 7
Views: 1993

Re: NZS6116 - Equipotential zones

Ah, after a few reads and a good look over the standard I think I understand what you are saying. So 3.1.2 says if Class A and in a EQB zone the protection against direct contact is not necessary (but references 3.1.1? 3.1.1 talks about working on animals/carcass not direct contact, another mistake?...
by JamieP
Wed Jul 26, 2023 11:51 am
Forum: Switchboards
Topic: Is main switchboard high risk
Replies: 6
Views: 1842

Re: Is main switchboard high risk

My opinion is not high risk. There is no mains work happening. He wouldn't be able to supply a CoC until the house was placed in the location it is going but location is part of the CoC. He should do it once he knows the thought but the obligation all lies on the person who connects to ensure that h...
by JamieP
Mon Jul 24, 2023 8:12 am
Forum: Inspection
Topic: ESR 78D (2)(c) Periodic Assessments in Quarries and Alluvial Mining
Replies: 3
Views: 1061

Re: ESR 78D (2)(c) Periodic Assessments in Quarries and Alluvial Mining

But quarrying operations and alluvial mining operations don't require a mining endorsement to work as an electrician. It's only mining operations and the above two are not mining operations. All are defined in the HSWA 2015 under Shedule 3. Hence why I'm wondering if a competent non-mining endorsed ...
by JamieP
Sun Jul 23, 2023 9:50 am
Forum: Inspection
Topic: ESR 78D (2)(c) Periodic Assessments in Quarries and Alluvial Mining
Replies: 3
Views: 1061

ESR 78D (2)(c) Periodic Assessments in Quarries and Alluvial Mining

Who is authorised to inspect mining electrical equipment? I can't find anything clear in the limits of work. I know the obvious answer is a mining endorsed inspector and by all means probably the best person for the job but in terms of Regulations could a standard inspect do this for a quarrying ope...
by JamieP
Sat Jul 22, 2023 10:02 am
Forum: Standards and Legislation
Topic: NZS6116 - 2.1.2
Replies: 1
Views: 909

NZS6116 - 2.1.2

I am frequently seeing appliances in this field complying with 3.2.4.1 due to the exception for "larger openings are essential for proper functioning of appliances" which I have no problem with as the nature of these appliances we know barriers just wouldn't work. However, what I am finding also is ...
by JamieP
Tue Jul 18, 2023 9:19 am
Forum: Standards and Legislation
Topic: NZS6116 - Equipotential zones
Replies: 7
Views: 1993

Re: NZS6116 - Equipotential zones

Sorry to rehash this but I'm still trying to get my head around it As the standard says, 2 options for indirect protection Isolating transformer or bonding network To put what you're saying simply, am I correct in saying then if the transformer is an isolating transformer I can complete omit the eqb...
by JamieP
Tue Jul 11, 2023 3:20 pm
Forum: Standards and Legislation
Topic: NZS6116 Periodic Inspections
Replies: 1
Views: 904

NZS6116 Periodic Inspections

So, I see regulations required these as "Safety Checks" under the 1993 and 1997 Regulations, R39 and 46 respectively but this was taken off as an item requiring Periodic Assessment when the 2010 Regulations came into play so interestingly enough as others have noted, no longer a requirement under NZ...
by JamieP
Wed Jun 28, 2023 2:40 pm
Forum: Standards and Legislation
Topic: NZS6116 - Equipotential zones
Replies: 7
Views: 1993

Re: NZS6116 - Equipotential zones

The whole of 3.4 seems to apply to every appliance? I see 3.1.5 (b) specifically mentions it but nothing in 3.4 says it doesn't have to happen if an isolated supply What about 3.4.4? That indicates regardless of what appliance type or how it's supplied that every piece of exposed metal work must be ...
by JamieP
Wed Jun 28, 2023 8:00 am
Forum: Standards and Legislation
Topic: NZS6116 - Equipotential zones
Replies: 7
Views: 1993

Re: NZS6116 - Equipotential zones

Regardless if shared or not, every animal stunning or meat conditioning appliance must have an equipotential zone, correct?
by JamieP
Tue Jun 27, 2023 12:54 pm
Forum: Standards and Legislation
Topic: NZS6116 - Equipotential zones
Replies: 7
Views: 1993

NZS6116 - Equipotential zones

Is an equipotential zone required for each appliance?

If two appliances are in the same area such as a stunner followed by an immobiliser can I share and electrode and bonding bar for them or much each have it own?
by JamieP
Tue Jun 27, 2023 11:00 am
Forum: Request a new Forum here
Topic: Request a new Forum here
Replies: 14
Views: 18646

Re: Request a new Forum here

Animal Stunning and Meat Conditioning Appliances
by JamieP
Mon Jun 26, 2023 6:23 pm
Forum: Standards and Legislation
Topic: High risk - definition of "animal stunning appliances or meat conditioning appliances"
Replies: 1
Views: 947

High risk - definition of "animal stunning appliances or meat conditioning appliances"

ESRs are clear that "work on an installation’s animal stunning appliances or meat conditioning appliances" is high risk and also that such work must also comply with NZS6116 unless a part 1 solution is developed. NZS6116s scope covers "animal stunning, immobilisation, accelerated conditioning and sp...
by JamieP
Wed May 31, 2023 3:00 pm
Forum: Transportable Installations
Topic: Do leads need to be HD flexible cord?
Replies: 1
Views: 948

Do leads need to be HD flexible cord?

I saw in the WoEF checks in the new version it says it must be HD flex Is this a mistake? Wouldn't this make any existing lead that is OD cord or flexible cable unable to pass a WoEF? I also can not see this as a requirement in any clause either so seems wrong. Reason being I need to make a new lead...