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RJ45 twisted pair cable pinout: wiring diagrams and crimping rules 
Pinout of different types of USB connectors: pinout of micro and mini usb contacts + nuances of desoldering 
Clips for wires: existing types of clamps + detailed connection instructions 
Colors of wires in electrics: standards and labeling rules + methods for determining the conductor 
What is a vvg cable: decryption, characteristics + subtleties of cable selection 
Wire stripping tool: all about cable strippers 
How to determine the cross-section of a wire by diameter and vice versa: ready-made tables and calculation formulas 
What cable to do wiring in a wooden house: types of non-combustible cable and its safe installation 
Connecting a heating cable: detailed installation instructions for a self-regulating heating system 
Types of cables and wires and their purpose: description and classification + decoding of marking 
Crimping twisted pair 8 and 4 cores: basic schemes + step-by-step briefing of crimping