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New Features

Last post by gregmcc « Thu Apr 23, 2020 12:23 pm
Posted in Announcements
Replies: 4
by gregmcc » Thu Apr 23, 2020 11:50 am » in Announcements

Hi everybody,
Just thought it was time for an update. We have over 160 members which is very good. Thank you for your support!

A few new features...

4 Replies

184237 Views

Last post by gregmcc
Thu Apr 23, 2020 12:23 pm

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Is main switchboard high risk

Last post by Dan L « Thu Jul 27, 2023 8:03 pm
Replies: 6
by Dan L » Wed Jul 26, 2023 10:01 am
Rating: 22.22%

I was recently asked by electrician about Inspection requirements of a house built to be relocated (and installed permanently in unknown location)....

6 Replies

19426 Views

Last post by Dan L
Thu Jul 27, 2023 8:03 pm
AS/NZS 3000:2018 clause 2.10.2.2.2

Last post by PeteRig « Tue May 16, 2023 10:26 am
Replies: 4
by PeteRig » Mon May 15, 2023 2:49 pm

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...

4 Replies

13080 Views

Last post by PeteRig
Tue May 16, 2023 10:26 am
Large Switchboard in Container

Last post by jaimin.parmar « Mon Mar 06, 2023 8:52 am
Replies: 3
by TPower » Tue Jan 17, 2023 2:51 pm

I’ve had another electrician ask me about the use of a shipping container (that has exits at each end) to house a switchboard that has a 1000A/three...

3 Replies

16577 Views

Last post by jaimin.parmar
Mon Mar 06, 2023 8:52 am
Top or bottom feed

Last post by AlecK « Wed Dec 07, 2022 5:49 pm
Replies: 1
by GLion » Wed Dec 07, 2022 3:50 pm
Rating: 11.11%

Hi,

I have a early 90's house, the busbars are on top of the MCB's hence I would call this a top feed installation. In modern installations, I see...

1 Replies

10207 Views

Last post by AlecK
Wed Dec 07, 2022 5:49 pm
Switchboard construction

Last post by AlecK « Mon Aug 29, 2022 11:00 am
Replies: 1
by PeteRig » Thu Aug 25, 2022 2:02 pm
Rating: 22.22%

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...

1 Replies

9869 Views

Last post by AlecK
Mon Aug 29, 2022 11:00 am
0.6m access for domestic switchboards?

Last post by JamieP « Thu Jun 23, 2022 1:02 pm
Replies: 2
by JamieP » Tue Jun 21, 2022 7:55 pm

Does 2.9.2.2 (I) apply to domestic switchboards? I understand the exception Exception: The requirements for doors of switchrooms and for emergency...

2 Replies

11404 Views

Last post by JamieP
Thu Jun 23, 2022 1:02 pm
First switchboard or metering point.

Last post by AlecK « Sat Apr 02, 2022 5:29 pm
Replies: 14
by Dan L » Tue Sep 29, 2020 8:55 pm
Rating: 11.11%

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...

14 Replies

34849 Views

Last post by AlecK
Sat Apr 02, 2022 5:29 pm
Number of Main Switches

Last post by AlecK « Fri Nov 26, 2021 1:22 pm
Replies: 22
by JamieP » Fri Apr 17, 2020 8:58 pm
Rating: 22.22%

2.3.3.2 Number of main switches
The number of main switches shall be kept to the minimum practicable to
provide for effective operation in an...

22 Replies

97926 Views

Last post by AlecK
Fri Nov 26, 2021 1:22 pm
Restricted Locations - 2.9.2.5 (c)

Last post by Slovett « Sat Aug 07, 2021 6:57 pm
Replies: 2
by Slovett » Thu Aug 05, 2021 8:21 pm
Rating: 22.22%

Hi,

I have a question about 2.9.2.5 (c). - Restricted Locations of Switchboards (Cupboards). - When does a cupboard turn into a room? Is there a...

2 Replies

13049 Views

Last post by Slovett
Sat Aug 07, 2021 6:57 pm
Submain configuration

Last post by JamieP « Sat Jun 19, 2021 8:00 pm
Replies: 4
by JamieP » Tue May 04, 2021 2:47 pm

I have an existing submain coming from a MSB to a DB

What I have been asked to do is to extend this submain to another board, so having the 2,...

4 Replies

15932 Views

Last post by JamieP
Sat Jun 19, 2021 8:00 pm
Switchboard access changes due to AS/NZS 3000-2018 Amendment 2

Last post by PawPatrol « Mon Jun 14, 2021 1:02 pm
Replies: 4
by JC156 » Fri Jun 11, 2021 11:23 pm

Hi All,

My question is posed to those that may have insight into the reason for this amendment.

Is the change in amendment 2 of AS/NZS 3000-2018...

4 Replies

27941 Views

Last post by PawPatrol
Mon Jun 14, 2021 1:02 pm
Main switch board under stairs by only exit (fire exit)

Last post by AlecK « Fri Jun 04, 2021 8:50 am
Replies: 7
by Dan L » Fri May 28, 2021 10:31 am

So I was asked to give advise on location of a main switchboard on a job before insralled

The engineer chose location and the builder is pushing for...

7 Replies

21746 Views

Last post by AlecK
Fri Jun 04, 2021 8:50 am
AS/NZS 3012/2019+A1 BTS SwitchBoards

Last post by AlecK « Thu May 27, 2021 2:26 pm
Replies: 1
by Slovett » Thu May 27, 2021 1:16 pm
Rating: 22.22%

Hi,
Im just having a read through 3012:2019 to preempt some of the proposed changes coming for Domestic Construction SwitchBoards (BTS).

J3 (h) &...

1 Replies

9760 Views

Last post by AlecK
Thu May 27, 2021 2:26 pm
Meterbox as BTS

Last post by Dan L « Sun May 16, 2021 12:21 pm
Replies: 4
by Nathan » Sat Apr 10, 2021 9:54 pm

I saw a house recently that had the meterbox set up as the BTS, Main earth to the meterbox, MEN link, neutral earth bars, 1 x MCB and 1 x double...

4 Replies

15181 Views

Last post by Dan L
Sun May 16, 2021 12:21 pm
Main switch readily accessible exception

Last post by PawPatrol « Fri May 07, 2021 10:16 am
Replies: 11
by Dan L » Sat Jun 27, 2020 8:05 pm
Rating: 11.11%

In regards to this question I have tried to find the answer in previous posts but have not found but if iv missed it I apologise.

Iv seen situations...

11 Replies

27792 Views

Last post by PawPatrol
Fri May 07, 2021 10:16 am
Switchboard Replacement - Incoming PEN and main earth same stud

Last post by AlecK « Wed Dec 23, 2020 10:22 am
Replies: 4
by JamieP » Tue Dec 22, 2020 12:51 pm
Rating: 22.22%

I understand in most cases switchboard replacement is low risk

I also know certain things can change this, like installation a MEN link when there...

4 Replies

14838 Views

Last post by AlecK
Wed Dec 23, 2020 10:22 am
Can MEN link share terminals?

Last post by Dan L « Fri Dec 04, 2020 11:02 pm
Replies: 3
by Dan L » Thu Dec 03, 2020 8:36 pm

On a commercial switchboard the MEN link (which was connected by lug not a screw type) was bolted onto the same stud as as another conductor on the...

3 Replies

14060 Views

Last post by Dan L
Fri Dec 04, 2020 11:02 pm
Main switch upgrade

Last post by Dan L « Thu Dec 03, 2020 8:11 pm
Replies: 12
by Dan L » Thu Nov 26, 2020 10:11 pm

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...

12 Replies

29269 Views

Last post by Dan L
Thu Dec 03, 2020 8:11 pm
Control nigh rate main high risk

Last post by AlecK « Thu Dec 03, 2020 6:03 pm
Replies: 4
by Dan L » Tue Dec 01, 2020 10:52 pm

Is a control nigh rate main high risk?

ESR say

mains means those fittings forming part of an installation that are used for the
supply of...

4 Replies

14942 Views

Last post by AlecK
Thu Dec 03, 2020 6:03 pm
Switchboards and additional enclosures

Last post by AlecK « Wed Dec 02, 2020 9:53 am
Replies: 5
by JamieP » Sun Nov 29, 2020 8:07 pm

At what point does a separate board or enclosure become a different switchboard or an enclosure that's not part of the associated switchboard

This...

5 Replies

16817 Views

Last post by AlecK
Wed Dec 02, 2020 9:53 am
Installing MCB at Meter board

Last post by AlecK « Fri Nov 27, 2020 2:44 pm
Replies: 9
by ElliotT » Mon Jul 20, 2020 6:26 pm
Rating: 22.22%

Hi All,

I was at a house the other day and needed power outside for a fixed wire appliance (heatpump) the distribution board was in the center of a...

9 Replies

27254 Views

Last post by AlecK
Fri Nov 27, 2020 2:44 pm
Exposed parts near mcb and meter

Last post by Dan L « Fri Nov 06, 2020 8:21 pm
Replies: 6
by Dan L » Wed Nov 04, 2020 9:27 pm

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...

6 Replies

18428 Views

Last post by Dan L
Fri Nov 06, 2020 8:21 pm
Extension of main switchboard or Distribution board?

Last post by Dan L « Wed Sep 30, 2020 8:49 pm
Replies: 2
by Dan L » Tue Sep 29, 2020 8:06 pm

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...

2 Replies

11841 Views

Last post by Dan L
Wed Sep 30, 2020 8:49 pm
Builders temp main switch /isolating switch

Last post by Dan L « Mon Sep 14, 2020 3:49 pm
Replies: 2
by Dan L » Fri Sep 11, 2020 10:26 pm

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...

2 Replies

11845 Views

Last post by Dan L
Mon Sep 14, 2020 3:49 pm
Main switchboard, main switch

Last post by AlecK « Tue Aug 25, 2020 11:16 am
Replies: 3
by DougP » Tue Aug 25, 2020 8:04 am

Hypothetical..

If there was a main switchboard on a pole near the property boundary (configured correctly as a MSB), and the only outgoing circuit...

3 Replies

13772 Views

Last post by AlecK
Tue Aug 25, 2020 11:16 am

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