Can I run a 10.5 kW shower on 6mm cable?

It is quite possible, that with a 45A or 50A protective device and favourable cable installation method, 6mm T&E will suffice.

Can I run a 10.8 kW shower on 6mm cable?

As a rule of thumb yes the cable will certainly need to be 10mm for that rated shower.

How many kW can a 6mm cable carry?

That means that 6mm is ok for 10.5KW showers (SOMETIMES).

What size breaker do I need for a 10.8 kW shower?

When replacing a 9.5kW electric shower with a 10.8kW, the MCB tips out each time it's used. Why is this? First, check the MCB current rating; a shower of this kilowatt rating should have a 45 amp.

What size shower can you run on a 6mm cable?

Electric Shower Power Ratings and Power Cable Information

Showers up to 7kw may carry a 6mm cable as long as the shower unit is within 18 metres of the fuseboard. Fuses and switches should be rated at 32 amps. Showers up to 9kw may carry a 6mm cable as long as the shower unit is within 18 meters of the fuseboard.

Electric Showers: "Electrical requirements for electric showers" video from Triton Showers

Can I have a 8.5 kW shower on 6mm cable?

6mm cable, depending on the run, is likely to be fine for an 8.5kW shower. Rcd protection is helpful, but bonding and cross bonding are far more important. And a 30a breaker, fuse wire wouldn't pop for overload either as it's unlikely to be overloading long enough.

Can 6mm cable Take 40a?

2 Answers from MyBuilder Electricians

6mm twin and earth cable (which this almost certainly is) can be backed up by a maximum of a 32a MCB, even lower if other factors are involved. You'll need that 10mm cable and a 40a MCB unfortunately as your shower is going to draw over 32a.

Can I fit a 10.5 kW shower?

Depends on the flow rate, time of year and design of shower. Many of them do run at full rated current and the water temperature is set by adjusting the flow, so in the winter, if you've got a good flow, then yes you could easily stand under it. 10.5Kw shower on 6mm cable as long as the MCB is left at 32A?

What is 6mm cable used for?

Typically used for supplying internal power to appliances such as electric showers, cooker and induction hobs, 6mm twin and eath cable is flat for easier installation into plaster.

Can I join 6mm shower cable?

A standard 7.5 to 8Kw shower is fine on 6mm cable. Ideally the pro's and cons of both cables and costs should have been discussed, but the risk is that if you fit an 8.5kw or higher powered shower on the installed 6mm cable, the cable may be overloaded and get damaged. Hi there, You can use 6mm cable for up 9.2 kW.

How many amps does a 10kw shower use?

Depends on the exact voltage at the location, could be anywhere between 39- 42 amps in reality. Lack of planning on your part doesn't make it an emergency on mine.... 40a breaker is fine. In this I believe that you are mistaken.

What size cable is required for a 9.5 kw shower?

You could get away with a 6mm cable for a 9.5kW shower.

What size MCB for a 9.5 kw shower?

If the shower is rated at 9.5Kw at 240V then based on the nominal voltage of 230V the shower would work out at about 37.95A. At 240V it comes to just under 40A so the 40A OCPD is fine.

Is 6mm cable OK for 7.5 kW shower?

A 7.5kw shower can be supplied using a 4mm cable, but for 8.5kw, you will need at least 6mm cable. Changing the fuse/circuit breaker would allow the shower to work but the cable could overheat and presents a fire risk.

What is 10mm cable used for?

10mm earth cable is suitable for fixed wiring of electrical equipment, lighting and household appliances Usually used for grounding wires.

What RCD to use in shower?

For new installations, a 30 mA Residual Current Device (RCD) must be incorporated into the electrical supply to the shower in accordance with the current wiring regulations. When replacing an existing electric shower, we recommend that a 30 mA RCD is fitted if not already provided.

What MCB do I need for a 8.5 kW shower?

In my house I have an 8.5kW electric shower. It is connected directly to a 30A MCB in the consumer unit by 6mm2 cable. Applying simple maths 8.5kW will draw 37A.

Do you need RCD for electric shower?

Electric Showers

All circuits in a bathroom must be protected by a RCD (Residual Current Device). They will need to be connected to the consumer unit and protected by an RCD.

Can you spur off a shower circuit?

yes! off the load side of shower DP switch!

Why does my electric shower keep blowing the fuse?

Overload. The most common reason why you water heater is tripping the circuit breaker is overload. A number of appliances can cause an overload if they malfunction, but shower heaters can cause that even if they're working properly.