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[electric cable; power cable] is usually a cable-like cable made up of several or several sets of wires [at least two in each group], each set of wires is insulated from each other and often twisted around a center , the entire outer bread has a highly insulating covering
Wire and cable refers to materials used in power, communications, and related transmission applications. There are no strict boundaries between "wires" and "cables." Generally, a product with a small number of cores, a small product diameter, and a simple structure is called a wire, a non-insulated wire is called a bare wire, and the other is called a cable; a conductor having a large cross-sectional area (greater than 6 square millimeters) is called a large wire. Small (less than or equal to 6 square millimeters) is called a small wire, and insulated wire is also called a wire.
Wire and cable mainly includes bare wires, electromagnetic wires and insulated wires for electrical appliances, power cables, communication cables and optical cables. Cables include power cables, control cables, compensating cables, shielded cables, high temperature cables, computer cables, signal cables, coaxial cables, fire resistant cables, marine cables, and the like. They are composed of multiple strands of wire used to connect circuits, electrical appliances, and the like.
The complete naming of wires and cables is often complicated, so people sometimes use a simple name (usually a category name) in combination with the model specification instead of the full name, such as "low voltage cable" for all plastic insulated power of 0.6/1kV class. cable. The wire and cable type spectrum is relatively perfect. It can be said that as long as the standard model specifications of the wire and cable are written, the specific product can be specified, but what is its complete name?
The naming of wire and cable products has the following principles:
Product application or size class name;
product structure materials or types;
Important or additional features of the product;
Basically named in the above order, sometimes in order to emphasize important or additional features, the features are written before or before the corresponding structure description.
The product structure is described from the inside to the outside: conductor -> insulation -> inner sheath -> outer sheath -> armored type.
In the case of no confusion, some structural descriptions are written or abbreviated. For example, aluminum conductors are not allowed in automobile wires and cords, so conductor materials are not described.
Flame-retardant copper core XLPE insulated steel tape armored PVC sheathed power cable with rated voltage of 8.7/15kV (too long!)
"Rated voltage 8.7/15kV" - use occasion / voltage level
"Flame retardant" - the characteristics of emphasis
"Copper core" - conductor material
"Crosslinked Polyethylene Insulation" - Insulation
"Steel belt armor" - armor layer material and type (double steel belt gap wrapping)
"PVC sheath" - inner and outer sheath material (the inner and outer sheath materials are the same, save the inner sheath material)
"Power Cable" - the broad name of the product
The corresponding model is written as ZR-YJV22-8.7/15. The model is written as described below.
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