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Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...
The standard for Nominal Pipe Size (often abbreviated NPS, which should not be confused with the abbreviation NPS for the straight thread form standard) is loosely related to the inside diameter of Schedule 40 series of sizes. Because of the pipe wall thickness of Schedule pipe, the actual diameter of the NPT threads is larger than the Nominal ...
Registered Apprenticeship is a program of the United States Department of Labor that connects job seekers looking to learn new skills with employers looking for qualified workers. Employers , employer associations, and joint labor-management organizations, known collectively as "sponsors", provide apprentices with paid on-the-job learning and ...
CPVC sprinkler pipe inside a firestop mock-up. Chlorinated polyvinyl chloride (CPVC) is a thermoplastic produced by chlorination of polyvinyl chloride (PVC) resin. CPVC is significantly more flexible than PVC, and can also withstand higher temperatures. Uses include hot and cold water delivery pipes and industrial liquid handling.
Jenkins made about $40 hourly servicing small businesses and homes around Eugene, Ore., with trucks and tools provided. A few months after he started, Jenkins, 36, saw the company raise everyone ...
Steel pipe has been produced for about 150 years. The pipe sizes that are in use today in PVC and galvanized were originally designed years ago for steel pipe. The number system, like Sch 40, 80, 160, were set long ago and seem a little odd. For example, Sch 20 pipe is even thinner than Sch 40, but same OD.
Apprentice electricians work 32 to 40+ hours per week at the trade under the supervision of a journeyman wireman and receive pay and benefits. They spend an additional 8 hours every other week in classroom training.
A shoemaker and his apprentice c. 1914 Electricians are often trained through apprenticeships. Apprenticeship is a system for training a new generation of practitioners of a trade or profession with on-the-job training and often some accompanying study (classroom work and reading). Apprenticeships may also enable practitioners to gain a license ...