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Number of DC isolators required?

Last post by TPower « Wed Oct 21, 2020 4:49 pm
Posted in Generators and Solar

by TPower » Wed Oct 21, 2020 4:49 pm » in Generators and Solar

If I have a PV system with two or more PV arrays connected to an inverter, what is the requirement for the number of switch-disconnectors?

I’ve only...

0 Replies

23 Views

Last post by TPower
Wed Oct 21, 2020 4:49 pm
Calculating array max voltage 4.2 5033:2012

Last post by JamieP « Tue Oct 20, 2020 5:56 pm
Posted in Generators and Solar

by JamieP » Tue Oct 20, 2020 5:56 pm » in Generators and Solar

Just curious what temperatures people use for this? Do you use the lowest ever recorded for a region? Or the average lowest temp etc?

Also where is...

0 Replies

19 Views

Last post by JamieP
Tue Oct 20, 2020 5:56 pm
FOR SALE: New Appa clamp meter

Last post by JamieM « Mon Aug 24, 2020 8:20 pm
Posted in Buy/Sell/Wanted

by JamieM » Mon Aug 24, 2020 8:20 pm » in Buy/Sell/Wanted

Hi all, I have a brand new appa 150b 1000A clamp meter that I'm selling. See trade me add. Surplus to requirements and way too much meter for what I...

0 Replies

120 Views

Last post by JamieM
Mon Aug 24, 2020 8:20 pm
Consumer Mains Test Sheet and Explanatory Guide

Last post by Mazdaman « Sun Jul 19, 2020 9:36 pm
Posted in Testing & Verification

by Mazdaman » Sun Jul 19, 2020 9:36 pm » in Testing & Verification

Thank you very much to the The NZ Electrical Inspectors Association for the Mains Check and Test Sheets made freely available here: .

This is the...

0 Replies

141 Views

Last post by Mazdaman
Sun Jul 19, 2020 9:36 pm
Industrial Electrical Learning

Last post by JamieP « Sat Jun 27, 2020 6:46 pm
Posted in General Electrical Discussions

by JamieP » Sat Jun 27, 2020 6:46 pm » in General Electrical Discussions

So I may have already said but I'm making my way into the industrial world from a domestic background. I'm just wondering if anyone can recommend any...

0 Replies

108 Views

Last post by JamieP
Sat Jun 27, 2020 6:46 pm
Revised standards open for comment

Last post by AlecK « Tue May 19, 2020 3:41 pm
Posted in Standards and Legislation

by AlecK » Tue May 19, 2020 3:41 pm » in Standards and Legislation

The Draft revisions of the following Standards are now open for public comment

1 Closing 19 June: AS/NZS 3002 : 202x Installations: Shows &...

0 Replies

112 Views

Last post by AlecK
Tue May 19, 2020 3:41 pm
Imported: Earth Fault Loop Impedance Testing - Residential

Last post by DougP « Thu May 14, 2020 11:22 pm
Posted in Testing & Verification

by DougP » Thu May 14, 2020 11:22 pm » in Testing & Verification

JonnoM
Nov 14 2017 23:25

This topic has been covered a few times but I still couldn\'t get a definitive answer. Sorry for the novel but there is no...

0 Replies

187 Views

Last post by DougP
Thu May 14, 2020 11:22 pm
Guidelines for this Forum

Last post by gregmcc « Mon Apr 27, 2020 6:47 pm
Posted in Buy/Sell/Wanted

by gregmcc » Mon Apr 27, 2020 6:47 pm » in Buy/Sell/Wanted

This is where members can sell stuff left over or put the call out for something wanted, ideally electrically related but doesn't have to be.

At...

0 Replies

162 Views

Last post by gregmcc
Mon Apr 27, 2020 6:47 pm
Extra set of hands in Christchurch

Last post by JamieP « Mon Apr 27, 2020 4:26 pm
Posted in Employment

by JamieP » Mon Apr 27, 2020 4:26 pm » in Employment

If posts like this aren't allowed I apologise and will happily have it removed

Basically just putting myself out there for anyone who needs extra...

0 Replies

153 Views

Last post by JamieP
Mon Apr 27, 2020 4:26 pm
Imported: Outdoor pool Problem

Last post by DougP « Mon Apr 27, 2020 2:26 pm
Posted in Earthing and Bonding

by DougP » Mon Apr 27, 2020 2:26 pm » in Earthing and Bonding

Lin13
Nov 26 2015 12:25

I have a situation where a new pool has been installed with the usual circulating pump and chlorinator system.
The submain...

0 Replies

146 Views

Last post by DougP
Mon Apr 27, 2020 2:26 pm
Imported: bathroom heaters, isolating switch. (4.9)

Last post by DougP « Thu Apr 23, 2020 9:23 am
Posted in Appliances

by DougP » Thu Apr 23, 2020 9:23 am » in Appliances

This is an interesting one that people often misinterpret.
-----------------------------------

rarrar
Sep 01 2015 14:24

what\'s the correct way to...

0 Replies

148 Views

Last post by DougP
Thu Apr 23, 2020 9:23 am
General Forum Discussions

Last post by ShaneR « Wed Apr 22, 2020 8:22 pm
Posted in Request a new Forum here

by ShaneR » Wed Apr 22, 2020 8:22 pm » in Request a new Forum here

Hi all

Can we add a General Forum Discussion or General Electrical Discussion or maybe both?

Off topic section I would assume is anything not...

0 Replies

96 Views

Last post by ShaneR
Wed Apr 22, 2020 8:22 pm
New Forum - Thanks

Last post by ShaneR « Wed Apr 22, 2020 8:17 pm
Posted in Off Topic/General Electrical Discussions

by ShaneR » Wed Apr 22, 2020 8:17 pm » in Off Topic/General Electrical Discussions

Hi all

I would just like to thank all those involved in setting this up.

Also I would like to thank the contributors, with out contributors a forum...

0 Replies

111 Views

Last post by ShaneR
Wed Apr 22, 2020 8:17 pm
Network electrical connection standards - Auckland

Last post by Chaz « Tue Apr 21, 2020 3:57 pm
Posted in Distribution, Networks & Metering

by Chaz » Tue Apr 21, 2020 3:57 pm » in Distribution, Networks & Metering

Hi all,

Just doing some personal development in this period of down time. I don’t have much experience in dealing with residential network...

0 Replies

189 Views

Last post by Chaz
Tue Apr 21, 2020 3:57 pm
Imported: rondo battens when to bond?

Last post by DougP « Sat Apr 18, 2020 10:46 am
Posted in Earthing and Bonding

by DougP » Sat Apr 18, 2020 10:46 am » in Earthing and Bonding

crocket
Nov 20 2013 22:44

Is it always necessary to bond rondo batterns?
Stainless benches connected via plastic pipes?

dlink
Nov 20 2013 22:54...

0 Replies

206 Views

Last post by DougP
Sat Apr 18, 2020 10:46 am
Imported: bonding steel rondo

Last post by DougP « Sat Apr 18, 2020 10:44 am
Posted in Earthing and Bonding

by DougP » Sat Apr 18, 2020 10:44 am » in Earthing and Bonding

Dannyboy
May 18 2015 05:38

Recently my builder as started using steel rondo for ceiling battens on his house renovations. Do I need to bond? This...

0 Replies

166 Views

Last post by DougP
Sat Apr 18, 2020 10:44 am
Imported: MCB discrimination

Last post by DougP « Thu Apr 16, 2020 8:38 am
Posted in Protective Devices

by DougP » Thu Apr 16, 2020 8:38 am » in Protective Devices

broadsword
Sep 07 2019 14:11

Can anyone steer me to somewhere other than 3000: 2.5.7.2.3 (a) (iii) with respect to selection of MCBs to provide...

0 Replies

96 Views

Last post by DougP
Thu Apr 16, 2020 8:38 am
Imported: D type MCB Earth fault loop

Last post by DougP « Thu Apr 16, 2020 8:34 am
Posted in Protective Devices

by DougP » Thu Apr 16, 2020 8:34 am » in Protective Devices

Blownfuse
Oct 15 2019 16:44

I have a 3 phase D type 40A MCB for a submain protection therefore it can have the 5 second rating applied, where...

0 Replies

81 Views

Last post by DougP
Thu Apr 16, 2020 8:34 am
Imported: RCBOs 1P+N

Last post by DougP « Thu Apr 16, 2020 8:31 am
Posted in Transportable Installations

by DougP » Thu Apr 16, 2020 8:31 am » in Transportable Installations

EnosM
Oct 11 2019 15:20

Can an RCBO 1P+N be used in the switchboard of a caravan if the RCBO switches active and neutral?

DougP
Oct 11 2019...

0 Replies

149 Views

Last post by DougP
Thu Apr 16, 2020 8:31 am
Imported: Type B RCD

Last post by DougP « Thu Apr 16, 2020 8:24 am
Posted in Protective Devices

by DougP » Thu Apr 16, 2020 8:24 am » in Protective Devices

north1
Oct 08 2019 20:50

Can any one advise where I can purchase a RCD Type B 20 amp RCD.
Will be used for protection of single phase EV...

0 Replies

82 Views

Last post by DougP
Thu Apr 16, 2020 8:24 am
Imported: RCD doesn't switch neutral

Last post by DougP « Thu Apr 16, 2020 8:24 am
Posted in Protective Devices

by DougP » Thu Apr 16, 2020 8:24 am » in Protective Devices

mowgli
Aug 21 2019 16:00

Is it true that an RCD that isn't required by the Standard, isn't required to switch the neutral? I've always assumed...

0 Replies

107 Views

Last post by DougP
Thu Apr 16, 2020 8:24 am
Imported: Isolating switches 2.3.4.1

Last post by DougP « Thu Apr 16, 2020 8:22 am
Posted in Switchboards

by DougP » Thu Apr 16, 2020 8:22 am » in Switchboards

mowgli
Aug 12 2019 12:09

Consider the drawing and the snip from 3000. Does an iso switch and an MCB meet the definition of isolating switches...

0 Replies

161 Views

Last post by DougP
Thu Apr 16, 2020 8:22 am
Imported: shed wiring

Last post by DougP « Tue Apr 14, 2020 8:46 am
Posted in Earthing and Bonding

by DougP » Tue Apr 14, 2020 8:46 am » in Earthing and Bonding

Mike
Oct 31 2012 15:50

Hi there, customer wants a couple of power points and lights in her shed,can i run a 2.5mm tps protected by a 20a RCBO to...

0 Replies

187 Views

Last post by DougP
Tue Apr 14, 2020 8:46 am
Imported: The Point of Earth Continuity Testing.

Last post by DougP « Tue Apr 14, 2020 8:43 am
Posted in Testing & Verification

by DougP » Tue Apr 14, 2020 8:43 am » in Testing & Verification

JamesMagnum
Jan 15 2019 21:18

Just a thought I had while testing a new house the other day , when testing - why do we need to know the resistance...

0 Replies

121 Views

Last post by DougP
Tue Apr 14, 2020 8:43 am
Imported: Stainless kitchen bench

Last post by DougP « Tue Apr 14, 2020 8:37 am
Posted in Earthing and Bonding

by DougP » Tue Apr 14, 2020 8:37 am » in Earthing and Bonding

Tommy
Oct 17 2018 17:52

Hi I know a kitchen sink with plastic plumbing pipes doesnâ€™t have to be bonded what if the whole kitchen bench is...

0 Replies

259 Views

Last post by DougP
Tue Apr 14, 2020 8:37 am

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