Meter Base

Related terms

• Grade (Wood Flooring)

  NWFA appearance classifications (Clear, Select, #1/#2 Common) based on color variation, knots, and character — a look-and-cost choice, no…

• Service Entrance

  Where utility power enters the home — drop/lateral, meter, and main disconnect. Upgrading it is often the gating cost when adding major l…

• NEC (National Electrical Code)

  The model electrical safety code adopted (with amendments) by jurisdictions. Permitted electrical work must meet the adopted NEC edition.

• MERV Rating

  Minimum Efficiency Reporting Value — a filter's particle-capture rating (1–16). Higher filters more but can choke airflow if the system i…

• P-Trap

  The U-bend at each fixture holding water that blocks sewer gas from entering the home. Every fixture needs one, properly vented.

• Manual J Load Calculation

  The industry-standard room-by-room heating/cooling load calculation that correctly sizes equipment. The right basis for any system replac…

• Permit & Inspection (Mechanical)

  HVAC, gas, electrical, and plumbing work is permitted, inspected trade work. Unpermitted mechanical work is a safety and resale liability.

• Manifold / Home-Run

  A PEX distribution method with individual lines from a central manifold to each fixture, improving pressure balance and isolation.