Edwards 3-EVDVR System Sensor SMB500-US The insulated conductors are twisted

The insulated conductors are twisted together to impose a spring pressure between them

The System Sensor 4WTAR-B also includes red and green LED indicators for clear visual status during power up

this XCR series heat sensing cable provides durable fire detection performance for industrial facilities

System Sensor APA151 Remote Annunciator with Piezo Alarm

L-Series speaker strobes

Edwards 3-EVDVR System Sensor SMB500-US The insulated conductors are twistedThe Edwards 3 EVDVR is a fire alarm system that features ENVOY graphic annunciators and smoke control panels This item has been discontinued. Use the replacement 3 EVDVRA