Wire and cable color recognition

Wire and cable color recognition

(1) GB/T9330-2008 standard: KVV series color recognition

Two-core cable: no color preference

Three-core cable: green/yellow double color, light blue, brown; or light blue, black, brown.

Four-core cable: green/yellow double color, light blue, black, brown; or light blue, black, brown, black or brown.

Five-core cable: green/yellow bicolor, light blue, black, brown, black or brown; or light blue, black, brown, black or brown, black or brown.

If it is an insulated core with a digital sign, its insulation color should be significantly different from the color of the digital sign. The preferred color is black for insulation and white for numbers.

(2) GB/5013-2008 and JB8735-98 standards: 60227IEC53 (YZ0.75-2.5), 60245IEC57 (YZW0.75-2.5), 60245IEC66 (YCW), 60245IEC81 (YH), 60245IEC82 (YHF) and other series of colors To identify any multi-core cable, red, gray, white, and green and yellow that are not combined colors should not be used.

Single-core cable: no chromatogram is preferred;

Two-core cable: no chromatogram is preferred;

Three-core cable: yellow/green double color, light blue, brown or light blue, black, brown.

Four-core cable: yellow/green bicolor, light blue, black, brown or light blue, black, brown, black or brown.

Five-core cable: yellow/green bicolor, light blue, black, brown, black or brown; or light blue, black, brown, black or brown, black or brown.

Cables with more than five cores: In the outer layer, one core is yellow/green, one core is light blue, and the other cores are the same color, but not green, yellow, light blue or brown; on other layers, one core Brown, other cores are the same color, but not green, yellow, light blue or brown. Or in the outer layer, one core is light blue, one core is brown, and the other cores are the same color, but not green, yellow, light blue or brown; in other layers, one core is brown, and the other cores are brown. It is the same color, but not green, yellow, light blue or brown.

(3) GB/T5023-97 standard: (01) BV (1.5-400), 02 (RV), 05 (BV), 06 (RV), 60227IEC10 (BVV two cores and above), RVB, 60227IEC52 (RVV) ), 60227IEC53 (RVV) series color identification Any multi-core cable should not use red, gray, white, and green and yellow that are not combined colors.

The preferred chromatograms for flexible cables and single-core cables are:

Single-core cable: no chromatogram is preferred;

Two-core cable: no chromatogram is preferred;

Three-core cable: yellow/green double color, light blue, brown; or light blue, black, brown.

Four-core cable: yellow/green bicolor, light blue, black, brown; or light blue, black, brown, black or brown.

Five-core cable: yellow/green bicolor, light blue, black, brown, black or brown; or light blue, black, brown, black or brown, black or brown.

(4) GB/T12706-2008 standard: color identification of YJV, VV and other power cable series

Two-core cable: no color preference

Three-core cable: red, yellow, green.

Four-core cable: red, yellow, green, light blue.

Five-core cable: red, yellow, green, light blue, black.

(5) JB8734-98 standard: BV (300/500V-0.75-1), BLV (450/750V-2.5-400), BVR, BVVB, BLVVB, BVV (single core), BLVV (single core), AV , AVR, AVRS, AVRB, AVVR, AVP, RVP, RVVP, RVVP1 and other series of color identification flexible cables and the preferred color spectrum for single-core cables are: Single-core cable: no priority color spectrum; two-core cable: no priority color spectrum; Note: The insulated cores of double-core parallel flexible wires without sheath do not need to be identified.

Three-core cable: yellow/green double color, light blue, brown or light blue, black, brown.

Four-core cable: yellow-green, light blue, black, brown or light blue, black, brown, black or brown.

Five-core cable: yellow/green bicolor, light blue, black, brown, black or brown; or light blue, black, brown, black or brown, black or brown.

Cables with more than five cores: In the outer layer, one core is yellow/green, one core is light blue, and the other cores are the same color, but not green, yellow, light blue or brown; on other layers, one core Brown, other cores are the same color, but not green, yellow, light blue or brown. Or in the outer layer, one core is light blue, one core is brown, and the other cores are the same color, but not green, yellow, light blue or brown; in other layers, one core is brown, and the other cores are brown. It is the same color, but not green, yellow, light blue or brown.

The above cable expertise is provided by Guangzhou Zhujiang Cable Co., Ltd.