8. IN A RELAY INCLUDING AN HERMETICALLY SEALED HOUSING AND TERMINAL LEADS EXTENDING INTO THE HOUSING, A FIXED AND MOBILE CONTACT ASSEMBLY COMPRISING A PAIR OF RIGID PLATE-LIKE CONDUCTIVE MEMBERS MOUNTED ON A PAIR OF SAID TERMINAL LEADS AND EXTENDING SUBSTANTIALLY PERPENDICULARLY THEREFROM TO PROVIDE FIXED CONTACT SURFACES REMOTE FROM SAID TERMINAL LEADS, A MOBILE CONTACT COMPRISING A RESILIENT STRAP-LIKE MEMBER CONDUCTIVELY CONNECTED AT ONE END TO ONE OF SAID TERMINALS AND EXTENDING SUBSTANTIALLY PERPENDICULARLY THEREFROM BETWEEN SAID PAIR OF SAID TERMINALS AND PROVIDING A RESILIENT STRAP-LIKE PORTION MOVABLE TO ENGAGE AND DISENGAGE SAID FIXED CONTACT SURFACES, AND MEANS ON THE HOUSING TO EFFECT MOVEMENT OF THE MOBILE CONTACT.