Electric Wire Made Easy

There are various kinds of electrical wire. Each different kind of electrical wire is good for a different job. The wires have different kinds of insulation and protection; this is just what makes each great for another application. There is THHN and TFFN wires that happen to be very similar. There are the NM-B and Romex wires and even the MC Conduit cable. All of these wires are ideal for electrical work indoors plus some of them doubles outside, along with conduit.


These two wire names are abbreviations. TFFN stands for thermoplastic insulation, flexible, fixture, and nylon coating. Whilst the THHN is short for thermoplastic insulation, heat resistant, high heat resistant, and nylon coating. Then throw in that some of the THHN wires come even just in a water, oil and coal resistant form, and you get THWN wire. They're all single conductor copper wires which you can use both indoors, outdoors as well as in conduit.

NM-B and Romex

Romex could be the Southwire make of an NM-B cable. The actual NM means non-metallic. Because of this rather than the wire being incased in the metal jacket. The NM-B cable features a PVC jacket across the multiple conductors it holds. The following type of electrical wire is only able to be used indoors. The wire doesn't have enough protection into it to be utilized outside. The most typical use with this type of wire is in insulated homes and buildings, running power from electrical boxes to outlets, lights and appliances.

MC Conduit Cable

This kind of electrical cable is extremely completely different from the NM-B cable. The reason being that the MC Conduit cable is metal clad. This sort of electrical cable comes with a aluminum interlocked armor jacket instead of the typical PVC. The aluminum jacket round the wires conductors is supposed to behave as a conduit there won't be an excuse for one when it is being installed. This design is additionally supposed to quicken mobile phone process, subsequently saving electricians and contractors both time and cash.

Every one of these electrical wires can be used indoors as building wire. Most could even be used outdoors in conduit as well. Now although these wires are somewhat similar, they are still different, hence the variation in applications. Ensure that you look at all of your alternatives to find the appropriate wire for your job or project!

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