Section 9 Cables

902. Installation of cables

1. Where cables are installed with loops for expansion, the internal radius of the loops is at least not to be less than 12 times the external diameter of the cables.

2. When installing cables, the minimum inside radius of bend is to be in accordance with the follow- ing:

(1) 6 ᾘ

(2) 4 ᾘ

(3) 4 ᾘ

for rubber and PVC insulated cables with metallic covering(ᾘ = overall diameter of cable); for rubber and PVC insulated cables without metallic covering; and

for mineral insulated cables

3. Where cables with different maximum-rated conductor temperatures are bunched together, the current rating of the cables is to be determined based on the lowest temperature-rated cables in the group.

903. Mechanical protection of cables

The protection pipes and casings for cables in cargo holds are to be of metallic. Where non-metal- lic pipes or casings are used, details of materials, strength, installation method, etc. are to be sub- mitted to the Society for approval.

905. Securing of cables

The distance between cable clips or supports is not be more than the value given in Table 20.1.

Table 20.1 Distance between cable supports