The model composition and sequence of wires and cablesare as follows: 　　

[1: Category, purpose] [2: Conductor] [3: Insulation] [4: Inner protective layer] [5: Structural features] [6: Outer protective layer or derivative] [7: Use of special wire 2 characteristics]

Items 1-5 and 7 are represented by pinyin letters, while polymer materials are represented by the first letter of their English names, with each item consisting of 1-2 letters; The sixth item consists of 1-3 digits.

The omission principle in Guangdong Cable Factory models: Copper is the main conductor material used in wire and cable products, so the copper core code T is omitted, except for bare wires and bare conductor products. Bare wires and bare conductor products, power cables, and electromagnetic wire products do not indicate major category codes. Electrical equipment wires and cables, as well as communication cables, are also not listed, but sub category or series codes are specified.

The seventh item is marked with pinyin letters after "-" for various special usage occasions or additional special usage requirements. Sometimes, in order to highlight this item, it is written at the beginning. Such as ZR - (flame retardant), NH - (fire-resistant), WDZ - (low smoke and halogen-free, enterprise standard), - TH (used in humid and hot areas), FY - (anti termite, enterprise standard), etc.

Number marking armor layer outer coating or outer sheath

0 None ---

1. Interlocking armor fiber outer cover

2 double-layer steel strip PVC jacket

3 thin round steel wire polyethylene jacket

4 thick round steel wires

5 Wrinkle (Rolling) Steel Strip

6 double aluminum (or aluminum alloy) strips

7 copper wire weaving

8 steel wire weaving