Wheelock ZNS-MCW-FW Wall Mount Horn-Strobe, White SF 03/03 D4P120 detectors are designed to

D4P120 detectors are designed to operate on 24V DC/V AC or 120V AC

The RA-1000R is a red 4x20 LCD remote annunciator used to operate and program IFP-series fire alarm control panels (FACP's)

one person walk testing

The SD505-HEAT is an absolute temperature device

but use a unique device type on the loop

Wheelock ZNS-MCW-FW Wall Mount Horn-Strobe, White SF 03/03 D4P120 detectors are designed toThe Wheelock Series Z notification appliances feature an easy snap on base that is designed to simplify the installation and testing of horns, strobes, and horn strobes. The separate Series Z snap on base can be pre wired so circuit wiring can be fully tested before the appliance is installed and before the walls are covered. Once all surrounding work is complete, the appliance can be simply installed by snaping it on the base. Shorting contacts in