Electric Wire Made Easy

There are numerous types of electrical wire. Each different of electrical wire is ideal for some other job. The wires have different varieties of insulation and protection; this is exactly what makes each one of these perfect for an alternative application. There is THHN and TFFN wires that are similar. And then there are the NM-B and Romex wires as well as the MC Conduit cable. All of these wires are fantastic for electrical work indoors plus some of them can also be used outside, as well as in conduit.


Both of these wire names are abbreviations. TFFN is short for thermoplastic insulation, flexible, fixture, and nylon coating. Even though the THHN means thermoplastic insulation, heat resistant, high heat resistant, and nylon coating. Then throw in that many of the THHN wires come even in a water, gas and oil resistant form, so you get THWN wire. They are all single conductor copper wires you can use both indoors, outdoors along with conduit.

NM-B and Romex


Romex will be the Southwire make of an NM-B cable. Currently the NM is short for non-metallic. Because of this rather than the wire being incased in the metal jacket. The NM-B cable has a PVC jacket round the multiple conductors it holds. This form of electrical wire can only be utilized indoors. The wire doesn't need enough protection onto it to use outside. The commonest use just for this form of wire is insulated homes and buildings, running power from electrical boxes to outlets, lights and appliances.

MC Conduit Cable

These kinds of electrical cable is very not the same as the NM-B cable. The reason is the MC Conduit cable is metal clad. These kinds of electrical cable comes with an aluminum interlocked armor jacket rather than typical PVC. The aluminum jacket around the wires conductors is supposed to become a conduit there will not be the need for one when it's being installed. This design is also meant to speed up set up . process, subsequently saving electricians and contractors both time and cash.

Most of these electrical wires can be utilized indoors as building wire. Most could even be used outdoors in conduit as well. Now despite the fact that these wires are somewhat similar, they may be still different, to ensure the variation in applications. Make sure you have a look at all of your options to find the proper wire for your upcoming job or project!

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