1. Pre-emption detectors shall be Tomar Model 2091-SD complete with mount and mounting hardware. 2. Discriminators shall be Tomar Model 3080 four-channel units. One is required per controller. 3. The Contractor shall make all initial range adjustments. 4. The pre-emption function operation tests shall be performed using an Opticom emitter. 8-20.2(9-29.13(6)).OPT3.ESP.DT1 (NWR November 16, 1995) Emergency Preemption Hardwire: Emergency preemption hardwire equipment installed by this contract shall activate the Emergency Preemption Logic in the traffic signal controller when a signal is received from a dry contact closure. The contact closure shall be activated by a 120-volt input that is isolated from all controller circuitry. The equipment used to provide the contact closure shall be housed in a separate enclosure located within the controller cabinet. 8-20.2(9-29.13(10)).ESP.DT1 NEMA, Type 170E, 2070 Controllers and Cabinets 8-20.2(9-29.13(10)A).ESP.DT1 Auxiliary Equipment for NEMA Controllers 8-20.2(9-29.13(10)A).INST1.ESP.DT1 Section 9-29.13(10)A is supplemented with the following: 8-20.2(9-29.13(10)A).OPT1.ESP.DT1 (NWR June 24, 2013) NEMA Traffic Actuated Controllers The cabinet(s) contain the following accessories and auxiliary equipment: Convenience Outlet & Lamp Socket: Two convenience outlets and a lamp socket shall be furnished in the cabinet(s). The outlets shall be mounted one on each side of the cabinet, near the top shelf, not on the door. The outlet mounted on the right side shall be ground fault interrupted protected. A switch shall activate the lamp when the door is open. These circuits shall be protected by a circuit breaker rated at 25 Amps. An incandescent 150-watt bulb shall be provided. The light shall be installed a minimum of 12 inches from the vent fan thermostat. Power Supply: A +24 volt DC regulated power supply capable of supplying 4.8 amperes continuously shall be provided. The power
1. Pre-emption detectors shall be Tomar Model 2091-SD complete with mount and mounting hardware. 2. Discriminators shall be Tomar Model 3080 four-channel units. One is required per controller. 3. The Contractor shall make all initial range adjustments. 4. The pre-emption function operation tests shall be performed using an Opticom emitter. 8-20.2(9-29.13(6)).OPT3.ESP.DT1 (NWR November 16, 1995) Emergency Preemption Hardwire: Emergency preemption hardwire equipment installed by this contract shall activate the Emergency Preemption Logic in the traffic signal controller when a signal is received from a dry contact closure. The contact closure shall be activated by a 120-volt input that is isolated from all controller circuitry. The equipment used to provide the contact closure shall be housed in a separate enclosure located within the controller cabinet. 8-20.2(9-29.13(10)).ESP.DT1 NEMA, Type 170E, 2070 Controllers and Cabinets 8-20.2(9-29.13(10)A).ESP.DT1 Auxiliary Equipment for NEMA Controllers 8-20.2(9-29.13(10)A).INST1.ESP.DT1 Section 9-29.13(10)A is supplemented with the following: 8-20.2(9-29.13(10)A).OPT1.ESP.DT1 (NWR June 24, 2013) NEMA Traffic Actuated Controllers The cabinet(s) contain the following accessories and auxiliary equipment: Convenience Outlet & Lamp Socket: Two convenience outlets and a lamp socket shall be furnished in the cabinet(s). The outlets shall be mounted one on each side of the cabinet, near the top shelf, not on the door. The outlet mounted on the right side shall be ground fault interrupted protected. A switch shall activate the lamp when the door is open. These circuits shall be protected by a circuit breaker rated at 25 Amps. An incandescent 150-watt bulb shall be provided. The light shall be installed a minimum of 12 inches from the vent fan thermostat. Power Supply: A +24 volt DC regulated power supply capable of supplying 4.8 amperes continuously shall be provided. The power
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