CSLB General Building (B)Planning and EstimatingMedium

A contractor is reviewing a set of plumbing plans. The symbol of a circle with a 'P' inside it typically represents which of the following?

  1. APump
  2. BPressure Gauge
  3. CPotable Water Supply
  4. DPipe Cleanout
Show answer & explanation

Correct answer: A. Pump

In plumbing schematics, a circle with a 'P' inside is a common symbol used to denote a pump, which is an essential component for moving fluids.

Why the other options are wrong

  • B. A pressure gauge usually has a different symbol, often a circle with a needle or a 'PG'.
  • C. Potable water supply is usually indicated by line types or labels, not a single 'P' in a circle.
  • D. A pipe cleanout often has a symbol representing an access point on a pipe.

Plumbing Pump Symbol

On plumbing and mechanical plans, a circle with a capital 'P' inside commonly represents a pump.

  • Used to indicate a device for fluid movement.
  • Standardized symbol for clarity on plans.
  • Essential for understanding water and waste systems.

Memory trick: Pipes Push with a Pump 'P'.

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