Ever since the discovery of the phenomenon of fire, human beings have been taking measures to protect themselves from its harmful effects. Cables in communications applications are no exception - not only can they catch fire, but they also produce harmful fumes and gases when they catch fire.
Definition and classification of wire and cable. Generalized wire and cable is also referred to as cable. The narrow sense of cable refers to the insulated cable. It can be defined as: an assembly consisting of the following parts, one or more insulated wire cores, and the coating layer, total protective layer and outer protective layer which each of them may have. The cable may also have an additional uninsulated conductor.
RVV wire and cable and RVVP Wire and cable In a literal sense, RVV refers to the unshielded sheathed power cord, and RVVP refers to the shielded sheathed power cord. P represents the meaning of shielding, that is, RVVP has a layer of shielding layer (aluminum foil + shielding network) than RVV, and the main effect is anti-interference (external signal interference).
Wire and cable is already an essential material in electricity, and many home lines are to listen to the advice of electricians or to consult sales staff for purchase. If we know something about it, we can be more confident when choosing a route. So how to see the quality of wire and cable and how to choose?