The term cable, amongst other things, means… This means that for every litre of fuel, a barge towed by a machine on the banks or via a chain on the bottom of the canal could carry a tonne of cargo for 500 kilometres (310 miles) - ten times more efficient than a truck or lorry. In 1901, a 16 kilometre (9.9 miles) stretch of the canal between Brussels and Charleroi was equipped with electric mules (both on rails and on tyres) by Léon Gérard (picture on the right). Electric mules were also used in other countries, be it on a much smaller scale. On the side of the canal, these vehicles did not rest on a rail but on two much larger iron wheels (pictures above). The other two are interchangeable as long as they are sheathed in order to make it obvious which cable is neutral (blue sheathing) and which is the other live (brown sheathing).Special lighting switch cable can be bought. This is called "Twin red core" and is used as switch cable for your lights.Often this is replaced by electricians, who use an ordinary 2 core and earth cable as a switch cable and place a little red tape around the black wire in the cable.

Due to the dangers posed, there are only a very limited number of jobs that you are allowed to do in your home that don’t require signing off and these are changing existing socket and light switch faceplates. 4- Reinforcement due to the weakness of the mechanically isolated cables. Additionally, it's not feasible or practical to connect large-diameter multicore cables. A cable is a fairly inflexible (although of course they can be bent) set of wires used to supply the electricity to certain points in your home.Your meter box is supplied through a cable, sockets are supplied by cables and your ceiling and wall lights are fed through cables.A cable can carry many wires depending on the job it needs to do. Depending on the specific area of application, the individual components are being optimized more and more to meet the high material loads. The cross sectional area of the earth wire in a 1.5mm cable is 1mm and in a 2.5mm cable it is 1.5mm.This should be sufficient for most domestic socket and lighting circuits.What Does 1.5mm or 2.5mm Cable Mean? If you snip one of the wires and look at it face down you will see it’s cross section.

This cross sectional area, or in more simple terms the area of the exposed face of the wire, does not include the insulation around it. 1.5mm and 2.5mm is the cross sectional area of the individual live or neutral wires in the 1.5mm or 2.5mm cable. This is not the combined cross sectional area. To calculate the area of a circle multiply the radius (half the circle diameter) by itself to get the radius squared. To calculate the diameter of the wire when knowing only the area, the equation has to be done backwards.The area is divided by 3.142 (Π) and the square root (√) of the answer is the radius (r). As business is extended, and the room and area formerly occupied by people are taken for great mercantile houses and for manufacturing, the population of such areas is sent out to the suburbs of necessity, while many seek suburban residences as a matter of choice. With so many different types of wiring out there, what is electric cable you need someone you can trust to get the job done and provide you with exactly what you need the first time. The rest, and the full table follows.The first table below is for cables which are installed by Method 103 "Surrounded by thermal insulation including in a stud wall with thermal insulation with cable not touching the wall".The second table is for cables installed by Method C, "clipped direct".

There is still great room for improvement upon the present method of protecting the external covering; of cables, and I commend it to the further careful study of telegraph-engineers as a subject of vital importance. Cables and wires must withstand increasingly difficult external conditions. There are many variations and considerations for understanding electrical cables. Keep winding the cord onto the reel until it is on there. As you can see there is quite a difference in rating so be absolutely sure you are doing the right thing.Also remember that while it is not an offence to make electrical installations yourself, it is an offence to use them without them having been checked by a qualified electrician.Even a simple socket addition now has to have a minor works certificate! As we have stated but will do again to emphasise the importance, please remember when attempting any electrical installations at home that you are obliged to get the completed job tested by a fully qualified electrician and obtain a minor works certificate. After all it is their name on the certificate so if they are not 100% happy that they know that everything is perfect, they will not sign it off, simple as that!