Calaba Steel Surface Cable Trunking conforms to the SS249 (Class 1) specifications. They are made from Electro – Galvanize (EG) sheet steel, and finished with epoxy powder coating of at least 45 microns. The length of each trunking is customizable from 2000 to 3000mm. The nominal material thickness for SS 249 is provided below:
| Normal External Size (mm) | Nominal body thickness (mm) | Nominal cover thickness (mm) | Nominal external size (mm) | Nominal body thickness (mm) | Nominal cover thickness (mm) |
| 50 x 25 | 1.0 | 1.0 | 200 x 50 | 1.6 | 1.4 |
| 50 x 50 | 1.0 | 1.0 | 200 x 75 | 1.6 | 1.4 |
| 70 x 50 | 1.2 | 1.2 | 200 x 100 | 1.6 | 1.4 |
| 100 x 50 | 1.2 | 1.2 | 200 x 150 | 1.6 | 1.4 |
| 100 x 75 | 1.2 | 1.2 | 225 x 50 | 1.6 | 1.4 |
| 100 x 100 | 1.4 | 1.2 | 250 x 50 | 1.6 | 1.4 |
| 125 x 50 | 1.4 | 1.2 | 275 x 50 | 1.6 | 1.4 |
| 150 x 50 | 1.4 | 1.2 | 300 x 50 | 1.6 | 1.6 |
| 150 x 75 | 1.4 | 1.2 | 300 x 75 | 1.6 | 1.6 |
| 150 x 100 | 1.4 | 1.2 | 300 x 100 | 1.6 | 1.6 |
| 150 x 150 | 1.4 | 1.2 | 300 x 150 | 1.6 | 1.6 |
| 175 x 50 | 1.4 | 1.2 | 350 x 50 | 1.6 | 1.6 |
| - | - | - | 375 x 75 | 1.6 | 1.6 |
45° Offset Elbow
45° Offset Vertical Inside Riser
45° Offset Vertical Outside Riser
With Divider
With Separate Divider
With Bracket
With Divider
With Separate Divider
45° Offset Vertical Inside Riser
45° Offset Vertical Outside Riser
45° Offset Elbow
With Bracket

























