Most manufacturers recommend NOT using EZ45's including us. The long term results will largely depend on the environment that the product is in. High humidity environments will be susceptible to corrosion on exposed ends. If the corrosion becomes significant there is a likelihood that the corrosion could create a bridge between wires and cause problems.

NEVER recommended for outdoor installations.

I just terminated some CAT6 cables at my house. What a PITA. After doing some of these I really began to see the desire to use EZ45's.

The next time a customer thinks your bid is too high, give him or her a 1 foot length of CAT5, tell them to correctly terminate both ends. Come back in an hour and let them know you will have to do this 50 or 100 times for their project. Now what do you think about the price?