Using the Klein 1613 - 30 Bare Wire Grip is easy. First, make sure the wire diameter is within the 0.08 - 0.20 - inch range. Place the bare wire into the single 'V' groove jaw and position it properly. Then, you can start using it to handle the wire. Remember not to exceed the maximum safe load of 1500 pounds. When it comes to maintenance, keep the grip clean. After use, wipe it down to remove any dirt or debris. If it gets wet, dry it thoroughly to prevent rust. Store it in a dry place when not in use. Also, regularly check for any signs of wear and tear, like cracks in the jaw or loose parts. If you notice any issues, stop using it and consider getting it repaired or replaced.