Final answer:
It is essential to untwist only a small amount of each wire pair while terminating UTP cabling to ensure electromagnetic interference and crosstalk is minimized due to the principle of field canceling.
Step-by-step explanation:
When terminating UTP (Unshielded Twisted Pair) cabling, it is important to untwist only a small amount of each wire pair because the twists are critical in canceling out electromagnetic interference and crosstalk between the pairs of wires. Field canceling is a principle where the electromagnetic fields created by the electric current in one wire of the pair are canceled out by the fields created by the current in the other wire when they are twisted together. This reduces the interference that can cause degradation in signal quality. Therefore, keeping the twists intact as much as possible is important for maintaining the cables' integrity and performance.