Norman Neal posted an update 3 months, 1 week ago
There are several varieties of electrical wire. Each different of electrical wire is ideal for another job. The wires have even kinds of insulation and protection; this is just what makes every one great for an alternative application. There exists THHN and TFFN wires which are very similar. Then there are the NM-B and Romex wires and in many cases the MC Conduit cable. These wires are fantastic for electrical work indoors and some ones could also be used outside, as well as in conduit.
TFFN and THHN
Both these wire names are abbreviations. TFFN stands for thermoplastic insulation, flexible, fixture, and nylon coating. As the THHN represents thermoplastic insulation, heat resistant, high heat resistant, and nylon coating. Then throw in that a few of the THHN wires come even in a water, coal and oil resistant form, so you get THWN wire. These are generally all single conductor copper wires you can use both indoors, outdoors as well as in conduit.
NM-B and Romex
Romex will be the Southwire model of an NM-B cable. The actual NM represents non-metallic. Which means that instead of the wire being incased in a metal jacket. The NM-B cable carries a PVC jacket around the multiple conductors it holds. This particular version of electrical wire are only able to be utilized indoors. The wire won’t have enough protection onto it to use outside. The most prevalent use just for this kind of wire is insulated homes and buildings, running power from electrical boxes to outlets, appliance and lighting.
MC Conduit Cable
This sort of electrical cable is quite different from the NM-B cable. The reason being that the MC Conduit cable is metal clad. This type of electrical cable posseses an aluminum interlocked armor jacket as opposed to the typical PVC. The aluminum jacket across the wires conductors is designed to become a conduit so there won’t be a need for one when it is being installed. This design is additionally intended to speed up the installation process, subsequently saving electricians and contractors both time and expense.
Most of these electrical wires works extremely well indoors as building wire. Most can also be used outdoors in conduit at the same time. Now even though most of these wires are somewhat similar, they may be still different, hence the variation in applications. Ensure that you take a look at all of your choices to find the proper wire for your next job or project!
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