New Features
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
211678 Views
Last post by gregmcc
Thu Apr 23, 2020 12:23 pm
Equipotential bonding and earth fault loop
Replies: 2
by
JamieP »
Mon Feb 03, 2025 7:32 pm
I've been having a large discussion about equipotential bonding and also the common misuse of the term bonding for protective earths.
In essence, as...
2 Replies
3095 Views
Last post by DougP
Fri Feb 14, 2025 8:12 am
Buried bare earth cables
Replies: 4
by
Chaz »
Tue Jan 21, 2025 11:38 am
Rating: 22.22%
Hi all,
Quick question regarding buried earth grid cables (i.e under installation substations or customer owned tx's etc) or bare earth conductors...
4 Replies
4824 Views
Last post by Chaz
Fri Jan 24, 2025 1:42 pm
Earth stake directly into concrete
Replies: 5
by
BenAlchin »
Wed Mar 31, 2021 5:15 pm
Rating: 11.11%
Hi folks,
Looking for advice here - my boss tells me that an earth stake directly into concrete is non-compliant (residential), but looking at the...
5 Replies
31210 Views
Last post by AlecK
Mon Sep 09, 2024 10:28 am
1 Replies
15000 Views
Last post by AlecK
Thu Nov 16, 2023 11:36 am
MEN colour if insulated 5.3.5.3
Replies: 1
by
JamieP »
Sun Aug 06, 2023 3:45 pm
Rating: 11.11%
Is it a mistake that green alone is allowed for insulated MEN connection's?
Or is there a specific reason?
1 Replies
13954 Views
Last post by AlecK
Mon Aug 07, 2023 11:20 am
Explosive Areas Bonding Sizes
Replies: 1
by
Paulm »
Fri Jul 28, 2023 4:43 pm
Could someone please point me to the bonding sizes in AS/NZS 60079?
I'm not sure which part, but AS/NZS 3000:2007 states that bonding conductor sizes...
1 Replies
12598 Views
Last post by AlecK
Sat Jul 29, 2023 11:47 am
4 Replies
25171 Views
Last post by awb
Sat May 20, 2023 1:48 pm
5.5.1.3 Labelling (Main earth)
Replies: 1
by
JamieP »
Thu Mar 23, 2023 8:43 pm
Do I need to use a tag with this wording to be compliant?
WARNING: ‘MAIN ELECTRICAL EARTHING CONDUCTOR—DO NOT
DISCONNECT’
I understand no one...
1 Replies
13542 Views
Last post by AlecK
Fri Mar 24, 2023 9:33 am
LM certifying main earth
Replies: 3
by
TPower »
Wed Feb 08, 2023 2:56 pm
Can a Distribution LM certify a main earth?
I’ve been given a COC for installing underground mains to the point of entry & a bare main earth...
3 Replies
21100 Views
Last post by AlecK
Fri Feb 24, 2023 3:13 pm
MEC sized by max demand
Replies: 7
by
Dan L »
Sun Aug 23, 2020 11:50 pm
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...
7 Replies
37076 Views
Last post by AlecK
Wed Dec 14, 2022 9:48 am
7 Replies
36205 Views
Last post by JamieP
Sat Dec 10, 2022 6:49 am
Bonding
Replies: 3
by
Jabba »
Tue Nov 01, 2022 9:06 am
Rating: 11.11%
I have a situation with an electrical installation supplying an electrical accessory in another installation.
There is an orchard with its own...
3 Replies
21313 Views
Last post by AlecK
Wed Nov 02, 2022 11:38 am
MEN vs TNS
Replies: 5
by
TPower »
Wed Mar 02, 2022 9:17 pm
Rating: 88.89%
Had a discussion with an electrician that’s proposing to install a different type of earthing system at his main switchboard than the standard...
5 Replies
33246 Views
Last post by TPower
Fri Mar 04, 2022 11:35 am
Multiple Electrical Installation
Replies: 1
by
Jabba »
Tue Jan 25, 2022 12:27 am
Rating: 11.11%
Hi, just looking for some help in determining compliance for an installation or advice on configuration.
The property has a meter board on the fence...
1 Replies
15442 Views
Last post by AlecK
Tue Jan 25, 2022 10:28 am
PEC Submain
Replies: 4
by
greesleeve »
Sat Jul 25, 2020 8:29 pm
Rating: 22.22%
Hi,
I have a 15 amp spa and 20 amp sauna to go in at a house. Options I see are 6 mm out to sub board and then split from there, 15 and 20 rcbo, but...
4 Replies
26913 Views
Last post by AlecK
Thu Dec 02, 2021 10:38 am
5.7.5 Supplementary Equipotential Bonding
Replies: 4
by
JamieP »
Wed Nov 24, 2021 6:59 pm
Rating: 11.11%
I have a situation where I'm getting a 0.58-0.6 ohm EFLI and 0.21-0.23 ohm EC for a circuit on a 40A D curve MCB
Cable is X-90 4c+e 10mm/4mm approx...
4 Replies
24818 Views
Last post by AlecK
Tue Nov 30, 2021 2:35 pm
3 Replies
21739 Views
Last post by JamieP
Sat Nov 13, 2021 7:26 pm
Steel bench top.
Replies: 14
by
TPower »
Mon Mar 01, 2021 2:13 pm
Rating: 100%
Was having a discussion with another electrician regarding earthing a stainless steel bench top.
He advised the bench-top has no electrical...
14 Replies
60240 Views
Last post by AlecK
Mon Oct 25, 2021 11:40 am
Main earth size for mains in parallel
Replies: 6
by
Dan L »
Thu Oct 21, 2021 4:44 pm
It states main earth shoukd be sized to the largest active conductor
But what if active conductors are in parallel. I feel like the actives csa...
6 Replies
32635 Views
Last post by JamieP
Sun Oct 24, 2021 11:38 am
5.3.5.1 MEN location exceptions
Replies: 9
by
JamieP »
Sun Aug 15, 2021 12:11 pm
Rating: 33.33%
Under this clause there are exceptions for the MEN to not need be located on the main switchboard
If using such exception, it doesn't mention any...
9 Replies
40469 Views
Last post by AlecK
Fri Oct 22, 2021 9:38 am
3 Replies
21901 Views
Last post by AlecK
Mon Jul 05, 2021 4:54 pm
12 Replies
53671 Views
Last post by Craig W
Thu May 13, 2021 5:17 pm
6 Replies
30507 Views
Last post by Slovett
Wed Apr 14, 2021 9:24 pm
PELV Earthing
Replies: 7
by
Billq »
Tue Mar 09, 2021 1:29 pm
Rating: 22.22%
AS/NZS 3000:2007: Clause 1.4.76 describes protected extra-low voltage (PELV) as an extra-low voltage system that is NOT electrically separated from...
7 Replies
34590 Views
Last post by AlecK
Tue Mar 23, 2021 1:46 pm
Earth electrode In rock
Replies: 4
by
Dan L »
Thu Mar 18, 2021 9:21 am
Location surrounded by volcanic rock.
Mains trench has been cut I to rock them will be filled in.
As far as earth electrode options
- horizontal
-...
4 Replies
25281 Views
Last post by Dan L
Thu Mar 18, 2021 1:59 pm
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