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Yesterday, 10:51 PM

talanum1 started a thread Something is Stupid with Regard to Looking Back in Time. in General Chat Forum

Let's explore the following thought experiment: Say you have a brand new spaceship parked a light second away from Earth. Now suppose you remote...

0 replies | 38 view(s)

Yesterday, 04:53 PM

Derlyn replied to a thread Process for creating your own COC numbers in Electrical Contracting Industry Forum

None.

8 replies | 245 view(s)

Yesterday, 04:45 PM

Tradie started a thread 24 VDC lithium batteries for mecer inverter in Electrical Load Shedding Forum

Anyone have any experience with lithium batteries connected to 24 VDC RCT or Mecer voltronic inverters. We have the option of: 2 x 12 VDC 100...

0 replies | 50 view(s)

Yesterday, 01:36 PM

Tradie replied to a thread Load shedding on its way ? in Electrical Load Shedding Forum

There have been so many grid failures, which last days, its start making you wonder, considering the grid failures seem to move from suburb to suburb.

14 replies | 11217 view(s)

Yesterday, 01:28 PM

Tradie replied to a thread Process for creating your own COC numbers in Electrical Contracting Industry Forum

GCE, I am all for improving this industry, even though it may not sound like it. I was a members of the ECA for more than 10 years, still have my...

8 replies | 245 view(s)

Yesterday, 01:07 PM

GCE replied to a thread Load shedding on its way ? in Electrical Load Shedding Forum

The sudden load shedding last night shouldn't have been a surprise, but it was a surprise as they have been running excessive amounts of diesel over...

14 replies | 11217 view(s)

Yesterday, 01:07 PM

Tradie replied to a thread Process for creating your own COC numbers in Electrical Contracting Industry Forum

For the record, I must say, a project I was involved in where a COC was issued with a few non compliant issues, was eventually sorted out with the...

8 replies | 245 view(s)

Yesterday, 01:04 PM

GCE replied to a thread Process for creating your own COC numbers in Electrical Contracting Industry Forum

Problem is that Chief inspector does not have such a data base and as far as I am aware has not appointed anybody the way I understand We have self...

8 replies | 245 view(s)

Yesterday, 12:54 PM

Tradie replied to a thread Process for creating your own COC numbers in Electrical Contracting Industry Forum

You would think that because it is supposed to be a legal document, people would treat it as such. Like a signed PDF, all COC's should have unique...

8 replies | 245 view(s)

Yesterday, 12:21 PM

Derlyn replied to a thread Process for creating your own COC numbers in Electrical Contracting Industry Forum

I cannot understand why someone would use their own numbers, considering that the price of the coc booklets from ECA are so reasonable. At least...

8 replies | 245 view(s)

Yesterday, 12:12 PM

Dave A replied to a thread Process for creating your own COC numbers in Electrical Contracting Industry Forum

Under definitions in the Electrical Installation Regulations 2009: "certificate of compliance" means - a) a certificate with a unique number...

8 replies | 245 view(s)

Yesterday, 08:43 AM

Tradie replied to a thread Process for creating your own COC numbers in Electrical Contracting Industry Forum

There is no data base or records for COC's, so why would you be concerned about a numbering system, so long as the contractor keeps records of COC's...

8 replies | 245 view(s)

24-Apr-25, 06:33 PM

Thys LOW Elektries started a thread Process for creating your own COC numbers in Electrical Contracting Industry Forum

Good day, we have an electrical contractor who issues COC's with his very own COC number. Apparently it is legal? My question is, if it is legal,...

8 replies | 245 view(s)

24-Apr-25, 03:54 PM

talanum1 replied to a thread The Usual Picture of Neutron Decay is Wrong. in General Chat Forum

Also: the conventional physicist cannot give a mechanism for neutron decay: saying that a d emitting a W- is the mechanism does not explain how the...

1 replies | 188 view(s)

24-Apr-25, 09:31 AM

talanum1 started a thread The Usual Picture of Neutron Decay is Wrong. in General Chat Forum

:bananadance: The Usual Picture of Neutron Decay is Wrong. by Willem F. Esterhuyse talanum1@yahoo.com Abstract

1 replies | 188 view(s)

23-Apr-25, 02:14 PM

Tradie replied to a thread Typical ANC thinking. in South African Politics Forum

I got a fine went straight to the court building, went upstairs, filled out a document, went to another room in the building, spoke to a man about a...

5 replies | 498 view(s)

23-Apr-25, 02:10 PM

Tradie replied to a thread 20 or 40 KA SPD in Energy and Resource Conservation Forum

You could use table 6.2 (a) on page 94 of the regs to consider various types of installation methods, but generally speaking the numbers shared in...

3 replies | 256 view(s)

23-Apr-25, 02:01 PM

Tradie replied to a thread 20 or 40 KA SPD in Energy and Resource Conservation Forum

1.0 mm - 10 amp 1.5mm - 16 amp 2.5 mm - 20 amp 4 mm 32 amp 6 mm - 40 amp 10 mm - 50 amp 16 mm - 60 amp 25 mm 80 amp

3 replies | 256 view(s)

23-Apr-25, 07:10 AM

Dave A replied to a thread NRS approved solar equipment in Energy and Resource Conservation Forum

Ask the inverter supplier for the certificate. They should have one. If they don't, you have a problem.

4 replies | 545 view(s)

23-Apr-25, 06:38 AM

Derlyn replied to a thread Typical ANC thinking. in South African Politics Forum

@Blurock. Nope. Can only be paid in cash at the court. That's how we roll here.

5 replies | 498 view(s)

22-Apr-25, 10:20 PM

Derlyn replied to a thread 20 or 40 KA SPD in Energy and Resource Conservation Forum

Just an enquiry. Isn't 16 sqmm wire an overkill for 60A ?

3 replies | 256 view(s)

22-Apr-25, 07:49 PM

Tradie started a thread Smart energy metering in Electrical Contracting Industry Forum

You would think in 2025, there would be a simple affordable accurate way to measure energy on a property, which can be viewed, downloaded and...

0 replies | 233 view(s)

22-Apr-25, 04:41 PM

Tradie started a thread Installing DC cables buried in the wall in Energy and Resource Conservation Forum

A topic that was discussed on a video I saw the other day. How do you protect DC solar cabling from the solar panels down to the DC...

0 replies | 211 view(s)

22-Apr-25, 04:33 PM

Tradie started a thread 20 or 40 KA SPD in Energy and Resource Conservation Forum

Another topic that creates a ton of confusion, there is no grey area, just a lot of unskilled people doing installations. I have heard people say...

3 replies | 256 view(s)

22-Apr-25, 04:10 PM

Tradie replied to a thread NRS approved solar equipment in Energy and Resource Conservation Forum

Do you have a list of inverters which can be used in KZN or should I say a list of NRS 097 complaint inverters. I have just received an email...

4 replies | 545 view(s)

22-Apr-25, 01:43 PM

Dave A replied to a thread NRS approved solar equipment in Energy and Resource Conservation Forum

One should not confuse the Cape Town approved inverters list with certified NRS 097 compliant inverters. Cape Town issued a bylaw banning all...

4 replies | 545 view(s)

21-Apr-25, 08:13 AM

Blurock replied to a thread Typical ANC thinking. in South African Politics Forum

Can you not pay your fine online through your bank? Alternatively, just ignore it as they are too lax to collect fines anyway.

5 replies | 498 view(s)

20-Apr-25, 10:04 AM

Gene replied to a thread Typical ANC thinking. in South African Politics Forum

Yes this is true- anc IS f..... I Went to the dept of labour on Wednesday to have my Electrical Cert. renewed for the next 3 years- Now in the...

5 replies | 498 view(s)

20-Apr-25, 09:40 AM

Dave A replied to a thread Typical ANC thinking. in South African Politics Forum

I take it the parking spot was available because of the absent staff :rolleyes:

5 replies | 498 view(s)

18-Apr-25, 01:36 PM

Tradie replied to a thread NRS approved solar equipment in Energy and Resource Conservation Forum

What I dont see on the list, Must RCT Mecer voltronics.

4 replies | 545 view(s)