Is this shower system wired correctly?

[Crossy]

34 minutes ago, brianthainess said:

R C D didn't trip.

 

The RCD won't prevent you from getting a shock from a Class-1 appliance that's not earthed it will reduce the chances of you dying from said shock. Evidently there wasn't enough current going through you to trip the beast (I would go and press the "Test" button now to be sure it's working).

 

Sounds like the barbie is Class-1 with no ground connection provided. Not good but we had one the same. Amazingly there was a ground terminal inside the controller just not used 'coz of the 2 core flex, now that is scary. I replaced the cord with a 3-core and plug as it should have come from the factory.

 

That reversing the plug sorted it suggests there's a leak towards one end of the element, swapping the plug put the leak nearer to the neutral removing (or reducing) the shock. That it's leaking at all suggests that it's faulty!!

 

[MAGA 2020]

On 7/24/2019 at 12:04 PM, davidst01 said:

Where's the earth ground

[Crossy]

7 minutes ago, MAGA 2020 said:

Where's the earth ground

 

Green and yellow striped wire. If it's like our heater it's under the right hand fixing for the boiler (hidden behind the circuit board).

 

It's unclear where the other end of that incoming ground goes.

[alacrity]

14 hours ago, Crossy said:

 

Actually it says "Earth Leakage Breaker" (it's an RCD in the box).

 

It's really semantics, the devices we should all have are variously referred to, dependant upon where in the world you are, as:-

 

RCD, GFI, GFCI, RCCB, ELB, Safe-T-Cut, Trip, Safety Switch and a plethora of others (and of course ELCB).

 

For the purposes of our discussions they are all the same device which measures the difference between the current in the live and neutral wires. If that exceeds a certain level (usually 30mA) the device assumes the "missing" current is going somewhere it shouldn't (through you) and disconnects the circuit, hopefully saving your life.

 

The term ELCB (Earth Leakage Circuit Breaker) really refers to a different device which is not used in domestic installations. It is often used incorrectly to refer to an RCD etc.

 

You will almost certainly NOT find a "real" ELCB in Thailand so it's reasonably safe to assume that anyone / thing referring to an ELCB is actually talking about an RCD (unless they're talking about High Voltage distribution systems of course).

 

Poor labeling (which is possibly) derived from a Chinese source can confuse. RCD/RCBO and ELCB's aren't the same device though, but the former gives better overall performance which adds to and emulates the performance of an ELCB.

Interesting that the feed uses UK color coded wiring with a lesser wire gauge than that of the device.