Types of cables
An electric cable
purpose of transporting electrical energy from one point to another. Depending on their
final application, cables can have different configurations, always basing their design
on national and international regulations.
Low voltage cables (up to 750 V): in a variety of applications, and with
thermoplastic and thermoset coatings. They are designed and built according to harmonized
Low Voltage cables (up to 1,000 V): (also called (0,6/1 kV) The cables in this
section are used for industrial power installations in various fields (general industry,
public installations, infrastructures, etc.). They are designed according to
international standards (UNE, IEC, BS, UL).
Medium Voltage cables: from 1 kV to 36 kV. They are used to distribute electricity
from electrical substations to transformer stations.
High Voltage cables: from 36 kV. They are used to transport electricity from the
generating plants to the electrical substations.
Types of electric cable by their use
Low voltage cables
Cables for electric panels
Flexible cables for wiring electric cabinets. These electric cables are especially
suitable for domestic use, for installation in public places and for internal wiring of
electrical cabinets, switch boxes and small electrical appliances.
Energy cables for industrial facilities and public places. It is common to find power cable
in applications for power
transmission in all types of low voltage connections, for industrial use and for variable
frequency drive (VFD).
Cables with aluminium or steel reinforcement for installations with risk of
mechanical aggression. It is also common to find armoured cables in places where rodents
are present, as well as in installations in premises with a risk of fire and explosion
The use of extra flexible rubber cable
is very varied. We can find rubber cables in fixed industrial installations as
well as in mobile service. Welding cables should have a rubber sheath, which allows high
currents to be transmitted between the welding generator and the electrode.
High Security Halogen Free (LSZH) Cables with low smoke and corrosive gas emission in
case of fire are suitable for use in wiring of electrical panels and public places,
installations of all kinds in public places, individual derivations, emergency circuits,
public distribution networks and also for mobile service.
Fire resistant cables
These cables are specially designed to transmit electrical energy in the extreme
conditions that occur during a prolonged fire, guaranteeing supply to emergency equipment
such as signalling, smoke extractors, acoustic alarms, water pumps, etc. Their use is
recommended in emergency circuits in places with public concurrence.
Control cables Control cable
fixed or mobile installations should be extremely flexible, as they are mainly designed
for small household appliances, for the interconnection of machine parts used for
manufacturing, for signalling and control systems, for the connection of motors or
frequency converters, for signal transmission where the voltage induced by an external
electromagnetic field may affect the transmitted signal or for power supply connections
to avoid generating electromagnetic fields.
These are flexible and shielded cables for the transmission of signals between
equipment in industrial installations. Especially suitable for optimum data transmission
in environments with a high level of electromagnetic interference.
These cables are particularly suitable for connecting photovoltaic panels, and from
the panels to the DC to AC inverter. Thanks to the design of their materials and their
cover, which is especially resistant to solar radiation and extreme temperatures, they
can be installed outdoors with full guarantees.
There is a wide variety of electric cables for special installations such as:
temporary light garland installations at trade fairs; connections for overhead cranes,
hoists and lifts; applications in submerged pumps and drinking water areas such as
aquariums, purification systems, drinking water fountains or in swimming pools for
lighting, purification and cleaning systems.
PVC Cables or PUR Cables: How to Choose the Right Cable
Cables are an essential part of any industrial application. It is important
to make sure that you choose the appropriate cable material for the environment,
especially where chemical cleaning solutions, cutting fluids, and other caustic liquids
are present. The two main types of cables used in industrial applications are either PVC
or PUR, and they are each suited to different types of environments. This article
describes the difference between PVC and PUR cables and when to use each type of cable.
PVC Cables and When to Use Them PVC cable
is Polyvinyl Chloride (PVC) cables that is sheathed and
insulated. PVC cables are an excellent choice for most chemical washdown applications in
the food industry and beverage industry. They have good-to-excellent resistance to
common cleaning solvents including, but not limited to:
Quaternary Ammonium Compounds
It is also important to take into consideration the concentration of
chemicals, temperatature of the process, and the duration and frequency of exposure since
these factors can impact the suitability of PVC for these applications. Furthermore, PVC
has limited resistance to oils, making it less suited for automotive and machine tool
In addition to being resistant to common cleaning chemicals, PVC cables are
generally more rigid than other types of cables. This makes them suitable for use in
applications where they will be exposed to high temperature, high pressure washdown. The
rigidity of the PVC sheathing protects the cable from damage and extends the life of the
A PVC cable with IP69K rating means it is sealed against the ingress of water
even during washdown. However, the rigidity of PVC cables can be a disadvantage in
freezer applications, where low temperatures can cause the material to crack if the
cables are being flexed. Discuss your specific application with an expert to determine
the best cable material in these circumstances.
PUR Cables and When to Use Them
PUR (or polyurethane) is a thermoplastic material used for cable jackets.
Because PUR cables are resistant to cutting fluids, oils, and other harsh chemicals, they
are a good choice for many automotive manufacturing
, stamping and machining applications.
PUR cables also have high tensile strength, tear resistance, and abrasion
resistance. They are also extremely flexible, with a small bend radius. This makes them
ideal for applications where connections move or bend frequently, such as robotic
What do you mean by XLPE cable and what are its advantages over conventional cables ? XLPE cable
cross linked polyethylene insulated aluminium conductor armoured cable. In XLPE cable
stranded aluminium conductor is first screened in the form of a semi conducting extrusion
which provides a smooth conductor surface and prevents formation of cavities at the
surface of the conductor when the cable is subjected to bending. The screened conductor
is insulated with extruded XLPE compound. The insulation is further screened with layer
of nonmetallic semiconducting material and over that a non magnetic metallic screen in
the form of copper or aluminium tape is applied. In case of multicore cables cores are
laid together with suitable filler in the interstices and wrapped with PVC tapes or
extruded PVC. For mechanical protection non magnetic aluminium wire/ strip/tape armour
for single core cables and steel wire armour for multicore cables are provided over the
inner sheath. A layer of PVC/PE is extruded as outer sheath usually in back colour to
prevent ingress of moisture.
The space feature of the XLPE insulation is that long molecular chains of polyethylene
are cross linked to each other by means of a process similar to vulcanisation of rubber
and thus forming a three dimensional network structure with strong bond. Pure
polyethylene is a thermoplastic material i.e. it becomes soft and plastic on heating and
hard on cooling. Pure polyethylene is converted into thermosetting XLPE i.e. it sets
permanently when heated. By cross linking process the polyethylene insulation of the
cable is made thermally stable and also the melting point is greatly increased. So XLPE
insulated cable has better resistivity to thermal deformation for its higher thermal
tolerance property. Due to excellent thermal properties the current carrying capacity of
XLPE cable is higher than that of conventional cable. XLPE insulation has higher
dielectric strength compared to other conventional dielectrics used for cables resulting
low dielectric loss.
XLPE cable is made suitable for high voltage and extra high voltage application puto 132
kV. This cable can be used for long cable routes in high voltage transmission where the
dielectric losses play a major role. This cable can easily be hadled due to lighter in
weight than any other high voltage cable. As there is no case of oil migration from
insulation it can be installed for inclined or vertical runs without any hesitation. XLPE
insulation is highly resistant to moisture for which no special precaution is needed at
the time of jointing & termination. The joining of XLPE cable needs less time than that
of any other conventional cable of similar grade. These cables can safely be used on any
vibrating layouts like bridges. These cable have the better resistance to salinity of
water in the ground, chemicals, oils and corrosive furnes. These are free from fire risk.
These cables are not prone to failure due to ageing characteristics and have longer life.
Advantages of Using ABC Cables: ABC Cable
introduced a number of benefits that you get to avail when you use ABC cables instead of
conventional ones. Here are some of them:
·Increased Safety:ABC cables are more safe, secure, and reliable than any
conventional transmission lines.
·Low Maintenance Costs:These cables have low power costs, low installation costs,
and, most importantly, low maintenance. It has all of it. This is why aerial bundle cable
has started to replace the obsolete bare copper and aluminum conductor worldwide.
·Wide Area Coverage:Unlike traditional uninsulated transmission cables, you can use
ABC cables in all areas. Knowing about ABC cable specifications, it is perfect for areas
where the installation is quite a task.These cables are the best choice for installation
in congested urban areas,where it is very difficult to lay the lines in between the
narrow gaps of buildings. It is totally not possible to install bare conductors
there.They are also quite ideal for places such as hilly areas or dense forest.ABC Cable
Company ensures that they lay power lines there without trimming any trees.
Common Types of Electrical Wire Used in the Home
Knowing the basic wire types is essential to almost any electrical project around the
house. When you're installing new wiring, for example, choosing the right wire or
cable is half the battle. And when you’re examining existing wiring in your home,
identifying the wire type can tell you a lot about the circuit the wiring belongs to—for
example, when you open a junction box and need to determine which wires go where. Wiring
for modern homes is quite standard, and most homes built after the mid-1960s have similar
types of wiring. Any new electrical installation requires new wiring that conforms to
local building codes.
Here are some common types of home electrical wire.
It helps to understand a few basic terms used to describe wiring. An electric wire
is a type of -
conductor, which is a material that conducts electricity. In the case of household
wiring, the conductor itself is usually copper or aluminum (or copper-sheathed aluminum)
and is either a solid metal conductor or stranded wire. Most wires in a home are
insulated, meaning they are wrapped in a nonconductive plastic coating. One notable
exception is ground wires, which are typically solid copper and are either insulated with
green sheathing or uninsulated (bare).
The most common type of wiring in modern homes is in the form of nonmetallic (NM)
cable, which consists of two or more individual wires wrapped inside a protective plastic
sheathing. NM cable usually contains one or more “hot” (current-carrying) wires, a
neutral wire, and a ground wire.
As an alternative to NM cable, individual wires can be installed inside of a rigid or
flexible metal or plastic tubing called conduit. Conduit is typically used where the
wiring will be exposed and not hidden inside walls, floors, or ceilings.
These larger wires in your home are carrying circuit voltage, and they can be very
dangerous to touch. There are also several wires in your home that carry much lesser
amounts of "low-voltage" current. These are less dangerous, and with some, the
voltage carried is so low that there is virtually no chance of shock. However, until you
know exactly what kind of wires you are dealing with, it's best to treat them all as