ferrule projection 448 of fig4 and in some embodiments the ferrule slot is formed by other means persons of ordinary skill in the art recognize as suitable fig6 a c show a mated connector pair 600 and two springs 493 693 a male f type connector 604 is mated with one end of a female connector such as a splice 602 as shown the mated connector pair illustrates operation of the spring in a male f type connector like that of fig4 operation is similar in a male f type connector like that of fig5 in various embodiments the male f type connector 604 has an engaging mouth such as an internally threaded mouth portion 612 for engaging and advancing along an electrically conductive outer surface of a mating conductor such as a splice bearing external metallic threads 616 as shown as seen the female connector end 624 is inserted in the fastener of the male connector 412 the female connector end is also inserted in the spring 493 693 having tine portion 442 641 note details 620 640 illustrate two different spring designs detail 620 illustrates a spring design similar to those of fig4 and 5 while detail 640 illustrates a different spring design that will be discussed further infra insertion of the female connector end 624 into the spring 493 causes the tines of the spring 442 444 see also fig4 and 5 to be lifted as they press against the female connector end threaded outer surface 616 an electric.