NEC projects are of the highest quality. You will notice results quickly and inexpensively. A contract with NEC is quick and inexpensive, and it may be tailored to the demands or specifications of the project. NEC upgraded the NEC3 to a better, more cooperative work agreement, NEC4, in the goal of meeting client demand. There are many different types of NEC contracts depending on the job at hand, check nec 4 to know which contract suits your project best.