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20-Jun-22, 05:10 PM

Isetech started a thread Using the earth wire of the twin+E as alive conductor in Electrical Contracting Industry Forum

I was under the impression that using the earth wire as a live conductors, would not only be illegal but extremely dangerous. considering the wire is...

28 replies | 1137 view(s)

01-Jun-22, 06:19 PM

Isetech started a thread [Question] Busbar at the top or bottom of the circuit breaker in Electrical Contracting Industry Forum

This topic has been discussed on this forum in the past. I am busy wiring up numerous distribution boards for a few different sites. I have given...

19 replies | 1138 view(s)

08-Jun-22, 04:17 PM

Pieter00 started a thread Registering alternative forms of supply at municipality in Electrical Contracting Industry Forum

So I'm not sure if I'm going to stir the pot or not, but let's see what happens. 😁 When a new installation is done, a COC gets issued and this will...

16 replies | 1179 view(s)

28-May-22, 02:53 PM

Isetech started a thread What is missing in the electrical industry in Electrical Contracting Industry Forum

I believe to fix the electrical industry, more of this kind of discussion would be advisable. This platform is a good start, which is why I keep...

16 replies | 1469 view(s)

26-May-22, 10:29 AM

Isetech started a thread [Question] Solar installations courses and green cards make you legit ? in Electrical Contracting Industry Forum

This has become an interesting topic. Customers are under the impression that a person who has a green card is a legit installer and can do a...

13 replies | 1307 view(s)

14-Jun-22, 07:58 AM

Pieter00 started a thread COC for PV Systems in Electrical Contracting Industry Forum

Hi guys, I need to do a coc on an inverter system and there is some questions I have arising from the test report. Can you please tell me what this...

15 replies | 861 view(s)

04-Jun-22, 08:23 AM

Isetech started a thread Solar systems in Energy and Resource Conservation Forum

After a couple weeks without electricity, load shedding, Tariff increases and a few other issues experienced resulting in darkness has made me...

10 replies | 955 view(s)

02-Jun-22, 07:20 AM

Thys LOW Elektries started a thread Loadshed globes how do they work in Electrical Contracting Industry Forum

I recently bought a loadshed globe, out of curiosity The globe goes on when their is loadshedding if the switch is on! Otherwise you switch the...

8 replies | 519 view(s)

27-May-22, 08:28 AM

Isetech started a thread Reject cheap junk sold at wholesalers in Electrical Contracting Industry Forum

As we know SANS approval is no longer required, the result, the market is being flooded with reject junk, with no markings. As pointed out to me...

8 replies | 714 view(s)

06-Jun-22, 11:14 AM

RegElec started a thread WAGO Clamp Connectors in Electrical Contracting Industry Forum

Hi All Anyone used the WAGO clamp connectors and are they certified according to SANS.

10 replies | 597 view(s)

04-Jun-22, 10:28 AM

Dylboy started a thread SELV AND ISOLATION TRANSFOMER in Electrical Contracting Industry Forum

Hello :) Quick one, is a SELV device the same as an isolation transformer ? i.e both isolate the secondary from the primary ? So I can call...

8 replies | 576 view(s)

04-Jun-22, 10:44 AM

Dylboy started a thread What may cause this ? in Electrical Contracting Industry Forum

Hello :) Was at a client last week and when his house uses a large load, i.e kettle or geyser or microwave then he gets severe volt drop. So...

8 replies | 472 view(s)

19-Jun-22, 01:22 PM

AmithS started a thread [Question] Centurion RDO Roll Up Motor Kit Replacement in Electrical Contracting Industry Forum

Hello, I need to replace an existing garage door motor. Can I safely assume I basically need to unbolt side, remove old motor and install new...

7 replies | 433 view(s)

06-Jun-22, 12:31 AM

Derlyn started a thread Solar panel wiring. (Question) in Energy and Resource Conservation Forum

Can one use FTE between panels on rooftop and controller downstairs in place of solar panel wire ? 6mm FTE costs less than 6mm panel wire and...

8 replies | 494 view(s)

19-Jun-22, 01:22 PM

Derlyn started a thread Geyser element in Electrical Contracting Industry Forum

My maths is letting me down. Will a 15Kw element heat a 150 litre geyser to 55 degrees in 2 hrs ?

7 replies | 415 view(s)

29-May-22, 03:27 PM

Isetech started a thread [Question] Changeover/bypass switches for hybrid inverters in Electrical Contracting Industry Forum

Changeover/ bypass switch for a hybrid inverter. Good idea and where would you install it, considering the hybrid input is both an input and output....

6 replies | 598 view(s)

14-Jun-22, 09:50 AM

Isetech started a thread Surge arrestors in Electrical Contracting Industry Forum

If you install a T2 surge arrestor in a domestic property, do you connect it directly after the main switch, using a 16 mm wire and no fuse or, do...

7 replies | 457 view(s)

07-Jun-22, 06:45 AM

Isetech started a thread Solar, inverter and batteries, why in Energy and Resource Conservation Forum

Why are you considering installing a system? 1/ because you want to go off grid? Let’s have a look at the first option - Off grid. From the...

5 replies | 585 view(s)

23-Jun-22, 07:50 PM

Dylboy started a thread Basic insulation i.e red and black cables in Electrical Contracting Industry Forum

Hello :) This is mainly from downlights. When they connect in a choc block fitting with the tiny black box there is often the red and black...

6 replies | 281 view(s)

02-Jun-22, 08:08 AM

Andrew_van_Zyl started a thread VIR cables in old buildings in Electrical Contracting Industry Forum

I updated a DB board and installed new lights in an old building that was wired with VIR (Vulcanized Indian Rubber). Insulation at the ends was...

5 replies | 386 view(s)

23-Jun-22, 03:22 PM

Isetech started a thread A new fault never experienced before. in Electrical Contracting Industry Forum

Busy completing al the inspection report repairs on a site and found a strange event while doing the loop impedance testing. At the time of the...

7 replies | 247 view(s)

06-Jun-22, 01:25 PM

Andrew_van_Zyl started a thread Size of Earth conductor in Electrical Contracting Industry Forum

Just checking if I'm interpreting 10142 - "6.12 Earthing" correctly:- Can I use 1.5mm earth cable with 2.5mm phase conductors? -Single...

5 replies | 543 view(s)

06-Jun-22, 08:23 AM

recre8 started a thread Where should earth-neutral bond be in Electrical Contracting Industry Forum

Hi Guys Our small complex recently changed over from three phase coming in (and being reticulated from our kiosk to each property) to being...

5 replies | 430 view(s)

05-Jun-22, 12:59 PM

Isetech started a thread Surge protection in Electrical Contracting Industry Forum

This is a topic I have avoided for some time. On occasion I have had customer ask why I dont fit surge protection into the new DB's we install, my...

5 replies | 343 view(s)

18-Jun-22, 05:35 PM

Andrew_van_Zyl started a thread V.I.R removal and re-wire in Electrical Contracting Industry Forum

So satisfying to remove old brittle and crumbly VIR and replace with new in a 1940's apartment in Observatory, Johannesburg

4 replies | 337 view(s)

09-Jun-22, 08:13 PM

Spkin started a thread Help me find suitable plugins for my website in Business Online Forum

Hello! I'm new here, just like in the world of online business. I recently decided to create a website for my store, and chose a website builder for...

2 replies | 623 view(s)

22-Jun-22, 06:36 AM

Isetech started a thread Selecting a solar lithium battery in Energy and Resource Conservation Forum

It seems once again, no apples with apples comparisons, only apples with oranges and pears with grapes. What are the key factor to consider. ...

6 replies | 243 view(s)

30-May-22, 10:06 PM

Derlyn started a thread Coc and test report. in Electrical Contracting Industry Forum

Why is there a frequency tick box on the test report for electrical installations ? Does anyone in SA use a supplied frequency other than 50 Hz ?

2 replies | 404 view(s)

16-Jun-22, 10:04 AM

Isetech started a thread Insurance approved contractors in Electrical Contracting Industry Forum

I get a request to do an inspection report. The geyser has just been replaced by an "insurance approved contractor." The wire to the geyser is too...

3 replies | 281 view(s)

18-Jun-22, 05:12 PM

AmithS started a thread [Question] DSC Alarm - Envisalink EVL-4 Remote Monitoring Module in Electrical Contracting Industry Forum

Anyone use this module to remotely arm/disarm and monitor their alarm system via the internet? Love to know your thoughts...

4 replies | 279 view(s)