Search found 54 matches

by Dan L
Thu Nov 26, 2020 10:11 pm
Forum: Switchboards
Topic: Main switch upgrade
Replies: 0
Views: 7

Main switch upgrade

The hypothetical scenario is main switch upgrade. 1 phase site being upgrades to 3 phase site on old msb located above 2m. No change just extra phases addec Main switch is not being replaced it's a new 3 phase main switch so should comply with readily accessible / within 2m. This seems to divide ins...
by Dan L
Thu Nov 26, 2020 9:53 pm
Forum: Switchboards
Topic: Installing MCB at Meter board
Replies: 8
Views: 444

Re: Installing MCB at Meter board

Just to clarify about dB not needing a main isolation switch is that true for all dbs apart from DB in outbuilding that also

-has a maximum demand of 100 A or more per phase; and
- is provided with a switchboard.?
by Dan L
Fri Nov 06, 2020 8:21 pm
Forum: Switchboards
Topic: Exposed parts near mcb and meter
Replies: 6
Views: 136

Re: Exposed parts near mcb and meter

The first time I seen this temp alarm bells rang for me. Its good to have the information to back this up. Much appreciated.
by Dan L
Thu Nov 05, 2020 9:59 pm
Forum: Switchboards
Topic: Exposed parts near mcb and meter
Replies: 6
Views: 136

Re: Exposed parts near mcb and meter

Some follow-up questions If it was a smart meter because under normal operating conditions they are read remotely via 4g no meter reader required. Does that mean it would be OK in this situation? 2 - so in general does a neutral bar always have to be enclosed (tool to access) to be compliant. Thanks...
by Dan L
Thu Nov 05, 2020 5:34 am
Forum: Switchboards
Topic: Exposed parts near mcb and meter
Replies: 6
Views: 136

Re: Exposed parts near mcb and meter

Does the main neutral bar not need to be enclosed as in must need a tool to access it? I feel like iv read this somewhere or maybe it's just because this is normally how sb are set up
by Dan L
Wed Nov 04, 2020 9:27 pm
Forum: Switchboards
Topic: Exposed parts near mcb and meter
Replies: 6
Views: 136

Exposed parts near mcb and meter

3.10.1.1.c My understanding of this was if you need to enter an enclosure like a meter box to operate an mcb or fuse or read a meter (non smart meter) then you can not have basic Insulation or exposed live parts like a neutral bar in this enclosure it must be double insulation and neutral bar would ...
by Dan L
Thu Oct 29, 2020 12:22 pm
Forum: Inspection
Topic: Esr 70
Replies: 7
Views: 156

Re: Esr 70

Thanks everyone for you input much appreciated.
by Dan L
Wed Oct 28, 2020 10:02 pm
Forum: Inspection
Topic: Esr 70
Replies: 7
Views: 156

Re: Esr 70

I don't no if polarity is a good example to compare the situation with. Polarity is extremely clear that is responsibility of the inspector / person livening I would like to think the inspector would not be held as accountable for a mains cables incorrectly ran in roof or not deep enough in trench a...
by Dan L
Wed Oct 28, 2020 8:58 pm
Forum: Inspection
Topic: Esr 70
Replies: 7
Views: 156

Re: Esr 70

I was under the impression failed inspections are not uploaded to database or at least do not have to be? Thanks for your feedback. I do something similar I have dug up mains before to find cables at 250mm and found mains run in a non compliant way in roof. Of course i got electrician to fix these t...
by Dan L
Wed Oct 28, 2020 11:33 am
Forum: Inspection
Topic: Esr 70
Replies: 7
Views: 156

Esr 70

In regards to esr 70. Is it an inspectors responsibility to go in the roof space and check how the mains have been installed? I am currently going into roofs paces and checking where 16mm tps have been used between meter box and MSB to make sure this mains cables is not run under trusses/with in 50m...
by Dan L
Tue Oct 27, 2020 10:07 pm
Forum: Inspection
Topic: Does replacement of a fitting in a medical installation require inspection
Replies: 3
Views: 142

Re: Does replacement of a fitting in a medical installation require inspection

I'm quite confident what falls into low, general and high risk But in the 3003 it just sais a few things that made me think there were exceptions to medical. Like when it says if "replace" a complete fitting must comply with new standard. So then I was thinking it must be inspected if its classed as...
by Dan L
Mon Oct 26, 2020 9:42 pm
Forum: Inspection
Topic: Does replacement of a fitting in a medical installation require inspection
Replies: 3
Views: 142

Does replacement of a fitting in a medical installation require inspection

In regards to 6.3 (3003). and ESR 60 To me reads like if an entire light fitting was replaced it would constitute an alteration. ( as a complete light fitting would not be an accessory or a component (6.3 A and B) There for would have to be treated as a new installation and require inspection. Is th...
by Dan L
Mon Oct 19, 2020 4:24 pm
Forum: Selection and Installation of Wiring Systems
Topic: Old unknown cable
Replies: 10
Views: 291

Re: Old unknown cable

Thanks team
by Dan L
Wed Oct 14, 2020 11:03 pm
Forum: Selection and Installation of Wiring Systems
Topic: Old unknown cable
Replies: 10
Views: 291

Re: Old unknown cable

Declared article? The cable is imperial roughly 8mm
by Dan L
Wed Oct 14, 2020 10:35 pm
Forum: Selection and Installation of Wiring Systems
Topic: Old unknown cable
Replies: 10
Views: 291

Re: Old unknown cable

Thanks mate your a legend. Yeah as I would be the inspector and person connecting I don't feel like being responsible for some old vir cabke to be used as mains.
After all we are trying to get rid of that crap not Instal it.

Thanks mate
by Dan L
Wed Oct 14, 2020 12:58 pm
Forum: Selection and Installation of Wiring Systems
Topic: Old unknown cable
Replies: 10
Views: 291

Re: Old unknown cable

Also here's a link saying everyone who supplies must comply, so I'm assuming the electrical contractor would be the supplier? Not saying your Incorrect but just giving you the reasons behind why I was thinking that way https://worksafe.govt.nz/topic-and-industry/electricity/appliances-and-fittings/c...
by Dan L
Wed Oct 14, 2020 11:29 am
Forum: Selection and Installation of Wiring Systems
Topic: Old unknown cable
Replies: 10
Views: 291

Re: Old unknown cable

Not even reg 80 and appendix a in 3000? Here us some info copy and pasted that i though made sense but it could be wrong "Electrical Contractor Obligations Electrical contractors purchasing and installing electrical equipment should understand their legal obligations and know how to minimise their r...
by Dan L
Tue Oct 13, 2020 9:47 pm
Forum: Selection and Installation of Wiring Systems
Topic: Old unknown cable
Replies: 10
Views: 291

Old unknown cable

Today on a new install electrician had used a potentially very old unknown cable that was in storage. It's a 3 phase neutral screen. It looks like vir, it's def an imperial size and is tinned copper. I would assume this unknown cable can not be used for a few reasons. 3008 3.3.7 Other cable types Th...
by Dan L
Tue Oct 13, 2020 5:27 am
Forum: Inspection
Topic: Medical
Replies: 4
Views: 137

Re: Medical

Yes please answer my other medical questions. Thanks
by Dan L
Mon Oct 12, 2020 6:27 am
Forum: Inspection
Topic: 3003 section 9 medical
Replies: 2
Views: 95

Re: 3003 section 9 medical

I just want to know if I need to do earth resistance on non electrical parts for periodic inspection
by Dan L
Sun Oct 11, 2020 9:53 pm
Forum: Inspection
Topic: 3003 section 9 medical
Replies: 2
Views: 95

Re: 3003 section 9 medical

To simplify for routine inspection can I just do the section 9 and no need to do anything else unless I see something that's non compliant with the standards of time of install.
by Dan L
Sun Oct 11, 2020 7:14 pm
Forum: Inspection
Topic: Medical
Replies: 4
Views: 137

Re: Medical

Thanks mate
by Dan L
Sun Oct 11, 2020 1:55 pm
Forum: Inspection
Topic: 3003 section 9 medical
Replies: 2
Views: 95

3003 section 9 medical

3003 SECTION 9 ROUTINE INSPECTION AND TESTING OF CARDIAC-PROTECTED AND BODY-PROTECTED ELECTRICAL AREAS "(a) ensuring that all electrical installation work in the patient area has been carried out in compliance with the appropriate requirements of this Standard, or a previous edition;" Can this simpl...
by Dan L
Sun Oct 11, 2020 1:16 pm
Forum: Inspection
Topic: Medical
Replies: 4
Views: 137

Medical

As3003 Questions 1 "The space shown in Figure 2 extending 1500 mm around all possible patient locations in a cardiac-protected electrical area." Does this mean that the patient environment can only be in a cardiac-protected area of can only start from inside but could extend 1500mm to outside the ca...
by Dan L
Thu Oct 01, 2020 10:03 pm
Forum: Switchboards
Topic: First switchboard or metering point.
Replies: 5
Views: 236

Re: First switchboard or metering point.

This brings me to my next question. We recently discussed MEN switchboards in same structure and I understand your answer fully But am I correct in saying there is nothing stopping many MEN points in the same structure if they are completely separate installations? An example it's very common to see...
by Dan L
Thu Oct 01, 2020 9:54 pm
Forum: Transportable Installations
Topic: Caravan UK socket
Replies: 9
Views: 383

Re: Caravan UK socket

Interesting discussion gentlemen, thank for your inputs
by Dan L
Wed Sep 30, 2020 9:31 pm
Forum: Transportable Installations
Topic: Caravan UK socket
Replies: 9
Views: 383

Re: Caravan UK socket

(c) that has been imported must be issued in accordance with AS/NZS 3001, but only after an assessment for compliance with Part 1 of AS/ NZS 3000. Just to confirm When it says in accordance with 3001 does it just mean Appendix C (c6 and C7) as apposed to the entire installation requirements? And als...
by Dan L
Wed Sep 30, 2020 8:49 pm
Forum: Switchboards
Topic: Extension of main switchboard or Distribution board?
Replies: 2
Views: 135

Re: Extension of main switchboard or Distribution board?

I read that definition many times and never picked up on that.

Makes sense though, thanks.
by Dan L
Wed Sep 30, 2020 8:39 pm
Forum: Switchboards
Topic: First switchboard or metering point.
Replies: 5
Views: 236

Re: First switchboard or metering point.

Why can there be no overcurrent devices at the metering point on the mains? For example one supply to metering point split into 2 seperate icps and each of the 2 meters with own icp has its own main overcurrent protection before meter (orion requirement meter isolation switch). Or even a larger supp...
by Dan L
Tue Sep 29, 2020 8:55 pm
Forum: Switchboards
Topic: First switchboard or metering point.
Replies: 5
Views: 236

First switchboard or metering point.

Is it still OK to have a metering distribution point supplying seperate metered men switchboards. For example a meter box with a neutral stud and mcbs per metered supply to their own men switchboard. Or will this distribution point have to be a main switchboard central supply and all metered supplie...
by Dan L
Tue Sep 29, 2020 8:06 pm
Forum: Switchboards
Topic: Extension of main switchboard or Distribution board?
Replies: 2
Views: 135

Extension of main switchboard or Distribution board?

It's not uncommon to see a main switchboard made up of seperate enclosures and bars etc mounted next to each other. (usually old) Can you have an enclosure a meter away or 2 meters away from msb will it still be an extension of main switchboard or will it then have to be a DB. if its supplied from i...
by Dan L
Sun Sep 20, 2020 8:41 pm
Forum: Transportable Installations
Topic: Caravan UK socket
Replies: 2
Views: 144

Caravan UK socket

Asking this question for a computer iliterate work mate. He would like to know with a UK imported caravan is it OK to leave UK socket outlet for connection of a microwave ( it will only be used for the microwave)? I did have a quick look myself. I may be wrong but assuming the import on arrival will...
by Dan L
Sun Sep 20, 2020 8:40 pm
Forum: Transportable Installations
Topic: Caravan UK socket
Replies: 9
Views: 383

Caravan UK socket

Asking this question for a computer iliterate work mate. He would like to know with a UK imported caravan is it OK to leave UK socket outlet for connection of a microwave ( it will only be used for the microwave)? I did have a quick look myself. I may be wrong but assuming the import on arrival will...
by Dan L
Mon Sep 14, 2020 3:49 pm
Forum: Switchboards
Topic: Builders temp main switch /isolating switch
Replies: 2
Views: 188

Re: Builders temp main switch /isolating switch

Suppose I was getting confused because it only said label isolator main switch and comply with requirements of isolator not of a main switch and just wanted to be sure


Thanks mate much appreciated
by Dan L
Fri Sep 11, 2020 10:26 pm
Forum: Switchboards
Topic: Builders temp main switch /isolating switch
Replies: 2
Views: 188

Builders temp main switch /isolating switch

To me the wording in 3012 is open to interpretation.

To simplify my question

Does a main switch in a builders temp have to be readily accessible as per main switch requirements or just readily available as per isolating switch requirements?
by Dan L
Fri Sep 11, 2020 7:17 am
Forum: Protective Devices
Topic: Deleted post can't find? Is descrimination of same branch required
Replies: 3
Views: 212

Deleted post can't find? Is descrimination of same branch required

I posted this recently got an answer but know I can not find?
by Dan L
Tue Aug 25, 2020 8:26 pm
Forum: Earthing and Bonding
Topic: MEC sized by max demand
Replies: 2
Views: 261

Re: MEC sized by max demand

Thanks mate much appreciated
by Dan L
Sun Aug 23, 2020 11:50 pm
Forum: Earthing and Bonding
Topic: MEC sized by max demand
Replies: 2
Views: 261

MEC sized by max demand

5.3.3.2b example if you had a 35mm mains supplying a 63amp switchboard with 63amp mcb ( maximum demand by limitation) Then you can have a 6mm main earth conductor instead of 10mm And same in other situations we're the actual conductor of the mains is larger due to voltage drop, than You can find the...
by Dan L
Sun Aug 23, 2020 4:35 pm
Forum: Appliances
Topic: 4.4.2.1 Accessablity of Socket Outlet
Replies: 13
Views: 725

Re: 4.4.2.1 Accessablity of Socket Outlet

My current opinion = 4.4.2.2.d would suggest it's OK to have a power point behind a fixed appliance or in a location that's not readily accessible as long as its soley for that appliance 4.4.2.1 also uses the words "any plug intended to be used" Which suggests to me if the socket is for general use ...
by Dan L
Sun Aug 23, 2020 1:33 pm
Forum: Inspection
Topic: Service mains extension - Installation or works
Replies: 7
Views: 430

Re: Service mains extension - Installation or works

Surely the mains is the cables from the network connection point to the main switchboard, any alteration to this cable must be Inspected. If this service mains is going to be extended it is directly effecting the settings of the VD/EFLI etc it was originally inspected to and must inspected again. If...
by Dan L
Mon Jun 29, 2020 10:32 pm
Forum: Switchboards
Topic: Main switch readily accessible exception
Replies: 8
Views: 418

Re: Main switch readily accessible exception

I didn't mean the builders temp rule could be used for other situations but maybe there were other standards with exceptions relating to other environments.

But thanks for your time you have examined thingd very clearly.
by Dan L
Sun Jun 28, 2020 2:18 pm
Forum: Inspection
Topic: Inspectors responsibility or not
Replies: 10
Views: 539

Re: Inspectors responsibility or not

Thanks mate I will. Much appreciated
by Dan L
Sun Jun 28, 2020 2:16 pm
Forum: Switchboards
Topic: Main switch readily accessible exception
Replies: 8
Views: 418

Re: Main switch readily accessible exception

I thought possibly in some situations there may be some standards that will over rule this that I'm not aware off. Like a builders temp for example the switchboard shall have the facilitie to be locked so it is not readily accessible or compliant with the exception mentioned. 3012 2 3.2.1 (e) Where ...
by Dan L
Sun Jun 28, 2020 10:35 am
Forum: Inspection
Topic: Inspectors responsibility or not
Replies: 10
Views: 539

Re: Inspectors responsibility or not

Thanks guys, I am a New inspector and want to make sure I am doing things the correct way. I really appreciate all your feed back.
by Dan L
Sun Jun 28, 2020 9:24 am
Forum: Earthing and Bonding
Topic: Burried earth terminated directly Into earth bar
Replies: 2
Views: 323

Re: Burried earth terminated directly Into earth bar

I was more thinking in that situation as the length from earth bar to ground was short that the earth bar connection would also be the test point as such but yes in that case the test would be omitted. What you say makes sense. So if it is one 25mm cable from earth bar to ground then the above groun...
by Dan L
Sun Jun 28, 2020 7:38 am
Forum: Inspection
Topic: Inspectors responsibility or not
Replies: 10
Views: 539

Re: Inspectors responsibility or not

Thanks for your reply. Would you really not pass a job if the danger burried sign not up due to wall not completed or painted or would you insist it put up at time of livening still regardless. So they would put it up. Take down to paint wall then put back up?
by Dan L
Sat Jun 27, 2020 9:24 pm
Forum: Switchboards
Topic: Main switch readily accessible exception
Replies: 8
Views: 418

Re: Main switch readily accessible exception

And is use of a key the same as use of a tool? Maybe that's the difference?

As use of a tool for access is not readily accessible

But, maybe a use of key is readily accessible to a person who is authorised to access?
by Dan L
Sat Jun 27, 2020 9:19 pm
Forum: Switchboards
Topic: Main switch readily accessible exception
Replies: 8
Views: 418

Re: Main switch readily accessible exception

They are both main switchboard and main switch. I asked an inspector at the time about switchboard in a classroom with children and he Said if it's lockable it's OK but never thought much of it at the time but now I'm trying find out. It's only the other day I worked on a main switchboard central su...
by Dan L
Sat Jun 27, 2020 8:54 pm
Forum: Inspection
Topic: Inspectors responsibility or not
Replies: 10
Views: 539

Inspectors responsibility or not

Often when inspecting and livening installations switchboards just have the bones. Mains and a temp power outlet. No labels, no fire seal, no blanks ( but nothing exposed to be able to be touched). Often danger burried cable sign not installed as Wall not complete Now it's obvious these things need ...