As a rule of thumb yes the cable will certainly need to be 10mm for that rated shower. To determine cable size you have to calculate it. This means collating the information.
Full Answer
What size cable do I need for my electric shower?
Apr 04, 2020 · If you need a wiring cable that is dependable and common, you might want to start using the 10mm twin & earth cable. This cable is used for many types of domestic wiring and it is mainly used for interior wiring. The sheath is vulnerable to UV rays. It …
Can a 6mm cable be used for a 8kW shower?
Sep 03, 2019 · The issue often gets fudged because the duration of usage is usually short, i.e. much less than one hour, but a 50A MCB would be appropriate for a 10.8kW shower installed at the end of 10.0mm² T&E cable. Softus, 21 Apr 2008. #9.
What size MCB do I need for a 10kW shower?
Jan 20, 2017 · As a rule of thumb yes the cable will certainly need to be 10mm for that rated shower. To determine cable size you have to calculate it. This means collating the information. The length of cable run. The load in watts/amps, the installation method, is the cable in contact with insulation? an accurate cable size can then be calculated.
What size fuse do I need for a 45 Amp shower?
Jul 20, 2012 · I'm installing a 10.8 kw shower and looking at other forums everyone is saying 10mm is OK however i can't see how. 10800W/230V=47A. breaker size 50A. the only way it can be a 10mm is if its clipped direct with no insulation as it can take 64A however if it is any other reference then the rating is less than 50A.
What is the maximum kW shower on 6mm cable?
Electric Shower Power Ratings and Power Cable Information 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.
What is the correct cable size and MCB rating for a 10.5 kW electric 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....See Also:Technical discussion forums·Wiring and the regulations·Other and general engineering discussionsArchived categoriesOct 4, 2006
Can you use 6mm cable 8.5 kW shower?
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.Apr 17, 2016
Can I run a 10.8 kW shower on 10mm cable?
the only way it can be a 10mm is if its clipped direct with no insulation as it can take 64A however if it is any other reference then the rating is less than 50A. so how is 10mm enough to carry the load?...See Also:Technical discussion forums·Other and general engineering discussionsArchived categories1 more row•Jul 18, 2012
Can I run a 10.5 kW shower on 6mm cable?
so straight away it is clear the cable is undersized (needs to be at least 10mm). However, if the cable is clipped direct throughout its entire length then a 6mm may well be ok for current carrying capacity (rated at maximum 47A clipped direct).Nov 5, 2009
What size MCB for 10.8 kW shower?
45 ampA 'maintained pressure' (also known as 'running pressure') exists when other draw offs are being used. 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.Jun 11, 2018
What size cable do I need for a 8.5 kW shower?
Cable Sizes by kW RatingkW Electric Shower RatingRecommended Cable Size7000 (7 kW)6mm27500 (7.5 kW)10mm28000 (8 kW)10mm28500 (8.5 kW)10mm27 more rows•Apr 8, 2020
How many amps will 6mm cable carry?
6mm cable carries 48 amps.
What is a 32A MCB used for?
Typical Uses for Domestic MCBs 32 Amp - Ring Final. The technical term for your power circuit or sockets. A two bedroom house for example may have 2 x 32A power circuits to separate upstairs and downstairs sockets. Larger dwellings can have any number of 32 A circuits.
What diameter is 10mm2 cable?
CABLE WEIGHT & OVERALL DIMENSIONSNominal Overall Diameter mmApprox Weight Kg/100mt4+E16.24610mm2 7/1.352+E16.5453+E18.15734 more rows
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.Nov 4, 2010
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?Mar 15, 2005