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Ten-codes, officially known as ten signals, are brevity codes used to represent common phrases in voice communication, particularly by US public safety officials and in citizens band (CB) radio transmissions. The police version of ten-codes is officially known as the APCO Project 14 Aural Brevity Code. [1]
Police code. A police code is a brevity code, usually numerical or alphanumerical, used to transmit information between law enforcement over police radio systems in the United States. Examples of police codes include "10 codes" (such as 10-4 for "okay" or "acknowledged"—sometimes written X4 or X-4), signals, incident codes, response codes, or ...
In the United States, response codes are used to describe a mode of response for an emergency unit responding to a call. They generally vary but often have three basic tiers: Code 3: Respond to the call using lights and sirens. Code 2: Respond to the call with emergency lights, but without sirens. Alternatively, sirens may be used if necessary ...
Dress code. Detroit Public Schools created a district-wide uniform dress code for students effective on May 11, 2006, for all students in grades Kindergarten through 12. This includes mandatory identification badges. Parents may opt their children out of the dress code for medical, religious, or financial reasons.
The Elementary and Secondary School Emergency Relief Fund, also known as ESSER. is a $190 billion program created by the U.S. federal government's economic stimulus response bills, the Coronavirus Aid, Relief, and Economic Security Act (), Consolidated Appropriations Act, 2021, the American Rescue Plan Act of 2021 (ARP Act), passed by the 116th and 117th U.S. Congress.
Lockdown. A lockdown ( / ˈlɒkˌdaʊn / ⓘ) is a restriction policy for people, community or a country to stay where they are, usually due to specific risks that could possibly harm the people if they move and interact freely. The term is used for a prison protocol that usually prevents people, information or objects from leaving an area.
Hospital emergency codes are coded messages often announced over a public address system of a hospital to alert staff to various classes of on-site emergencies. The use of codes is intended to convey essential information quickly and with minimal misunderstanding to staff while preventing stress and panic among visitors to the hospital.
A permanently signed detour route (also known as an emergency detour route or emergency diversion route) is a type of route which is used temporarily during special circumstances. Various areas have developed these systems as part of incident management. The purpose of these routes is to provide a detour in the event that the parent route is ...