Spec Sheet Preview: The Alpha Communications® / Cornell E-144 Emergency Pull station is used to initiate a system 'Emergency' signal. It may be used independently or connected with other call stations and/or intercom stations. The E-144 has a spring loaded Normally-Open switch that activates in a 'Momentary' fashion, only as long as the pull cord is pulled. Placing a call is accomplished by pulling on the pull cord. This type of 'Momentary' is usually canceled except at the master annunciator station(s). The E-144 station features a r …