Break Glass 'HOUSE FLAME' Outdoor Manual Call Point 'PRESS HERE' 470 OHM Surface Mounted. WCP1A Outdoor Call Point range gives you installation efficiency, flexibility and full compliance with the latest standards. The WCP1A series is supplied with both a resistor and normally open clean contact electrical options. These options are easily utilised by simply connecting the terminal block to the required connection in the back of the WCP1 product.