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Public call office
A public call office (PCO) is a booth, kiosk, or office open to the public for making paid telephone calls, originating in Britain and widely used in India.
Public Establishment of Electricity Generation
The Public Establishment of Electricity Generation is Syria's state body owning and operating the country's thermal power plants; created in 1994, it was merged into the Syrian Electricity Company in 2026.
Public Health Act
The Public Health Act 1848 was the first general English sanitation statute, creating a General Board of Health and local boards for water supply, sewerage, and drainage.
Public Health Act 1875
The Public Health Act 1875 was a United Kingdom Act that consolidated English sanitary law, made previously optional duties compulsory, and served as the main public health framework until 1936.
Public Health Act 1936
The Public Health Act 1936 is a United Kingdom Act that consolidated public health law for England and Wales, replacing about 600 sections with roughly 350.
Public key certificate
A public key certificate, also known as a digital certificate or SSL certificate, is signed data binding a public key to an entity, the core of PKI.
Public key infrastructure
Public key infrastructure (PKI) is the set of hardware, software, policies, and procedures for creating and managing digital certificates that bind public keys to identities.
Public Knowledge (organization)
Public Knowledge is an American nonprofit advocacy organization in Washington, D.C., founded in 2001, working on copyright, telecommunications, and internet law, known for defeating SOPA and PIPA in 2012.
Public library building
A public library building is a purpose-designed or adapted civic building housing a library open free to the public, a type spread by Andrew Carnegie's funding of 2,506 libraries and now guided by the IFLA-UNESCO Manifesto.
Public Power Corporation
Public Power Corporation (ΔΕΗ, PPC) is Greece's largest electricity generation and supply company. Founded in 1950, it has 11.1 GW of capacity, serves about 5.6 million customers, and is phasing out lignite.
Public safety answering point
A public safety answering point (PSAP), also called an emergency communication center, receives 9-1-1 calls and dispatches help; about 6,000 operate across the United States, run by local and state governments.
Public safety power shutoff
A public safety power shutoff (PSPS) is the proactive de-energization of power lines by a utility during extreme wildfire risk, used as a last resort before fire starts.
Public Service Commission of South Carolina
The Public Service Commission of South Carolina is the state agency that adjudicates cases involving investor-owned utilities, with seven commissioners elected by the General Assembly to staggered four-year terms.
Public Service Commission of West Virginia
The Public Service Commission of West Virginia is the state agency that regulates public utilities, including electric, gas, water, and telephone services, created by the Legislature in 1913.
Public Service Company of Colorado
Public Service Company of Colorado (PSCo) is an investor-owned electric and natural gas utility centered on Denver, formed in 1924 and now an Xcel Energy subsidiary.
Public Service Company of North Carolina
Public Service Company of North Carolina (PSNC), doing business as Enbridge Gas North Carolina, is a regulated natural gas utility headquartered in Gastonia serving more than 600,000 customers.
Public Service Company of Oklahoma
Public Service Company of Oklahoma, or PSO, is an investor-owned electric utility in Tulsa serving about 580,000 customers as a subsidiary of American Electric Power.
Public Service Electric and Gas
Public Service Electric and Gas (PSE&G) is a regulated utility distributing electricity and natural gas throughout New Jersey, serving roughly 2.4 million electric and 1.9 million gas customers.
Public Staff - North Carolina Utilities Commission
The Public Staff of the North Carolina Utilities Commission is an independent state agency, created by the General Assembly, that represents the using and consuming public in utility rate cases.
Public switched telephone network
The public switched telephone network (PSTN) is the worldwide infrastructure of switching and transmission facilities providing most telephone services, using circuit switching to give constant call quality.
Public Technical Identifiers
Public Technical Identifiers (PTI) is a California nonprofit public benefit corporation and ICANN affiliate that performs the IANA functions, incorporated in 2016 as part of the IANA stewardship transition.
Public toilet
A public toilet, also called a public restroom or public washroom, is a toilet available to the general public in streets, parks, markets, and transit hubs.
Public transport
Public transport, also known as public transportation or mass transit, is shared-ride service open to the public, including buses, light rail, metros, and commuter rail.
Public Utilities Commission of Ohio
The Public Utilities Commission of Ohio (PUCO) regulates Ohio's electric, gas, telephone, and water utilities, with five commissioners appointed by the governor to staggered five-year terms.
Public Utility Commission of Texas
The Public Utility Commission of Texas, also known as PUCT, regulates Texas's electric, telecommunication, and water and sewer utilities and oversees the ERCOT electric market, and was created in 1975.
Public Utility Regulatory Policies Act
The Public Utility Regulatory Policies Act of 1978 (PURPA) is a federal law requiring electric utilities to purchase power from qualifying facilities at their avoided cost.
Public Works Department (Malaysia)
The Public Works Department of Malaysia, known locally as Jabatan Kerja Raya (JKR), is the federal department responsible for public infrastructure, including roads, buildings, airports, ports, and jetties.
Public-key cryptography
Public-key cryptography, also called asymmetric cryptography, is a cryptographic system in which each user holds a public key and a secret private key, enabling secure communication and digital signatures.
Publish–subscribe pattern
The publish–subscribe pattern, also called pub-sub, is a messaging pattern that decouples senders from receivers: publishers announce events through a message broker, and subscribers independently choose which events to receive.
PubMatic
PubMatic is an American advertising technology company that operates a supply-side platform helping publishers sell digital ad inventory. Founded in 2006, it is headquartered in Redwood City, California.