Is 6mm Cable OK For 9.5 KW Shower?

Can 6mm 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..

Is a 9.5 kW shower powerful?

Electric showers, 8.5kW, 9.5kW or 10.5kW will all run completely independent of the water system you have in place. … By looking for electric showers – 8.5kW or higher power ratings, you can be guaranteed of a hot shower, no matter whether you have any hot water in your tank.

How many watts will a 6mm cable take?

Well 6mm tandE takes 47A… IF clipped direct, and not to0 long of a run, say about 10-15meters. That means that 6mm is ok for 10.5KW showers (SOMETIMES).

What cable is needed for 10kw shower?

Cable Sizes by kW RatingkW Electric Shower RatingRecommended Cable Size9000 (9 kW)10mm29500 (9.5 kW)10mm210,000 (10 kW)10mm210,500 (10.5 kW)16mm27 more rows•Apr 8, 2020

Can I replace a 7.5 kW shower with a 8.5 kW?

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 the maximum kW shower on 6mm cable?

8.5kW6mm 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 I run a 10.5 kW shower on 6mm cable?

Just to throw a spanner in the works, a 6mm cable will be fine for a 10.5kW shower if no derating factors apply, such as insulation or ambient temperature.

How much load can a 6mm cable take?

6mm cable is 47A when installed in the most favourable conditions. So 6mm could be used, depending on how it is installed.

Is 6mm cable OK for a cooker?

The cable should be selected to cater for the Maximum load of the circuit, the MCB is selected to protect the cable. You should NEVER do it the other way round. … Plain and simple you need a 10mm cable, 6mm is not correct, it may work but may also burn your house down, you take the risk.

How many amps does a 9.5 kW shower use?

fuze-box New Member. As long as your breaker is 40amp it will be ok, because your shower will take 41.3amps (roughly 4 amps per kw) at full load and that will only be for about 15mins, the cable is rated at 48amps anyhow.

What size cable does a 10.5 KW shower need?

10.5kw shower is around 47amps @ 220volts so you might ok, but it would need a 50amp fuse. But distance is 10mtrs, can’t work out volts drop, etc, you must be getting close to a 16mm T&E 70amps cable.

What size breaker do I need for a 10.5 KW shower?

The shower is currently protected by a 32A mcb which is protected along with other circuits by an rcd for the consumer unit. The cable size is 6mm.

Is a higher kW shower better?

Most people associate a higher kW rate with a better shower. The higher power means a consistently greater flow of water at your selected temperature which can give a real luxury experience.

What size cable is required for a 9.5 kW shower?

10mm2A 9.5kW shower should be installed with 10mm2 cable with a fuse rating of 40-45A, NOT 6mm2 ! It should also be RCD or RCBO protected. A >9kW shower supplied by 6mm2 cable on a 32A MCB (normally used for 5mm (2×2.

Can I run a 9kw shower on 6mm cable?

Showers up to 9kw may carry a 6mm cable as long as the shower unit is within 18 meters of the fuseboard. Fuses and switches should be rated at 40 amps. Showers up to 12.5kw should carry a 10mm cable to units within 35 metres of the fuseboard.

How many watts can a 4mm cable take?

For example, in optimum conditions, sheathed multi-core p.v.c.-insulated 4mm^2 cable could safely support a load of up to 8640 Watts at 240V. In adverse conditions, the same cable might safely support a load of no more than 5520 Watts.

How many amps can a 10mm cable take?

How many amps can .75 Cable take?Conductor SizeCurrentMaximum power (Watts)0.5 mm23 ampsUp to 720 Watts0.75 mm26 ampsUp to 1440 Watts1.0 mm210 ampsUp to 2400 Watts1.25 mm213 ampsUp to 3120 WattsFeb 17, 2020

What is the lowest kW shower?

7.5kWElectric showers vary in power. The lowest power is usually 7.5kW while the highest is generally 10.5kW. Higher wattage electric showers are often considered to be better, though the wattage you choose depends on how much you want to spend; higher-powered options usually cost more.

What is 6mm cable used for?

6mm cable is normally used to power a cooker and or a hob. In older propertys you may find it has been run in to supplie a shower however 10mm is more appropriate now.

How many strands does 6mm cable have?

standard 6 sqmm T&E cable has a solid 2.5 sqmm cpc. Standard 10 sqmm T&E cable has a stranded 4 sq mm cpc.