Content update (Opta's user manual)

Author: canchebagur

content/hardware/07.opta/opta-family/opta/tutorials/01.user-manual/content.md

@@ -189,6 +189,23 @@ Opta™ has an **onboard USB®-C port** that can be used for programming the dev
 
 This user manual section covers Opta's electrical terminals, showing their main hardware and software characteristics. Opta™ has 12 electrical terminals, four of which can be used for the power supply of the device, and eight of them can be used as digital/analog inputs.
 
+### Electrical Terminals Cable Size
+
+Following Opta's wiring specifications is important to ensure proper connection and operation of its electrical terminals. The tables shown below provide recommendations for torque application, cable preparation, and accepted wire types of Opta's electrical terminals. 
+
+#### Recommended Torque and Cable Preparation
+
+| **Torque** |     **Recommended Tool**     | **Stripping Length** |
+|:----------:|:----------------------------:|:--------------------:|
+|  0.80 Nm  | #1 Phillips-head screwdriver |         9 mm         |
+
+#### Accepted Wire Types
+
+|    **Wire Type**   | **Minimum Size** |           **Maximum Size**          |
+|:------------------:|:----------------:|:-----------------------------------:|
+|   Solid Conductor  | 0.5 mm² (20 AWG) |  6 mm² (10 AWG)/2x4 mm² (2x12 AWG)  |
+| Stranded Conductor | 0.5 mm² (20 AWG) | 4 mm² (12 AWG)/2x2.5 mm² (2x14 AWG) |
+
 ### Power Supply
 
 As shown in the image below, the first four terminals, from left to right, are Opta's power supply terminals; two are marked with `+` signs and two with `-` signs. An external +12 VDC to +24 VDC power supply can be connected to these terminals.