I have used this to mark various items. I used red for my 220 volt devices and green for my 110 volt devices. I used other colors to identify cables for my electronic devices like TV, DVD, XBox etc. The only downside is that the dark color labels are difficult to write on.
2-Pack 16In Under Desk Cable Management Tray - Metal Wire Mesh Holder For Desks, Offices & Kitchens (White)
31 Review
7Colors-21Pack Reusable Silicone Twist Ties With Strong Magnets For Organizing Cables, Hanging Stuff, USB Cords & Fridge Magnets - Fironst 7.48" Magnetic Cable Ties
32 Review
25 Pieces Desk Wire Organizer Cable Ties Zip Ties Adhesive Cord Clips Cable Management Cord Keeper Desk Wire Management
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π Melca Cable Management Cord Organizer - 6ft Long Paintable Sleeve Covers Wire Behind Wall/Floor Mount TV, Desk, Computer, PC, or Entertainment System. Hider Concealer Cover Wrap
27 Review