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2. NEMA enclosure types - Wikipedia

   en.wikipedia.org/wiki/NEMA_enclosure_types

   6 and 6P: Submersible. Design depends on specified conditions of pressure and time; submersible in water or oil; used in quarries, mines, and manholes. 7: Certified and labelled for use in areas with specific hazardous conditions: for indoor use in Class I, Groups A, B, C, and D environments as defined in NFPA standards such as the NEC. 8

3. Pressure switch - Wikipedia

   en.wikipedia.org/wiki/Pressure_switch

   Industrial pressure switches may have a calibrated scale and pointer to show the set point of the switch. A pressure switch will have a hysteresis, that is, a differential range around its setpoint, known as the switch's deadband, inside which small changes of pressure do not influence the state of the contacts. Some types allow adjustment of ...

4. SureFire - Wikipedia

   en.wikipedia.org/wiki/SureFire

   SureFire, LLC. is an American company headquartered in Fountain Valley, California. Their main products are flashlights , weapon-mounted lights , headlamps, and laser sights . In addition, Surefire produces knives , sound suppressors , earplugs , Picatinny Rails , magazines, and batteries . [ 4 ]

5. Do you need full-coverage car insurance? What it is, when it ...

   www.aol.com/finance/full-coverage-car-insurance...

   What full-coverage car insurance includes. A full-coverage auto insurance policy combines three key protections — liability, comprehensive and collision coverage – into one complete package.

6. Dry running protection - Wikipedia

   en.wikipedia.org/wiki/Dry_running_protection

   There are three different methods for detection of water shortage: Pressure switch on suction manifold or float switch/electrode relay in the supply tank: Dry-running protection with pressure/level switch. Measurement of inlet pressure in the suction manifold by means of an analogue pressure transmitter: Dry-running protection with pressure ...

7. France has a new government. Now it must fix the budget while ...

   www.aol.com/french-government-named-previous-one...

   The new government enters office after months of political deadlock and crisis and pressure from financial markets to reduce France’s colossal debt. France has a new government. Now it must fix ...

8. How false claims that the Madison school shooter was ...

   www.aol.com/false-claims-madison-school-shooter...

   Only 38 minutes after a Madison, Wisconsin, teacher called 911 to report Monday’s school shooting, the lies began to spread.. The first one, in a post on X, said simply: “Taking bets on ...

9. Pressure tank - Wikipedia

   en.wikipedia.org/wiki/Pressure_tank

   Case 2 is a tank in use, with the air pressure at pressure P (gauge) and a water volume of V. Referring to the diagram on the right, a pressure tank is generally pressurized when empty with a "charging pressure" P c, which is usually about 2 psi below the turn-on pressure P lo (Case 1). The total volume of the tank is V t.