Tamper-Resistant Receptacle

Related terms

• Tank Water Heater

  A storage water heater keeping a tank hot. Lowest upfront cost; standby losses and limited capacity are the trade-offs.

• T&P Relief Valve

  The temperature-and-pressure safety valve on a water heater that prevents tank rupture. Must discharge per code; never plugged.

• Tankless Water Heater

  An on-demand heater with endless hot water and no standby loss. Higher install cost; gas units often need larger gas/vent lines.

• Subpanel

  A secondary panel fed from the main, adding circuits for a remodel, addition, garage, or shop. Requires correct 4-wire feeder and isolate…

• Thermostat

  The control that calls for heating/cooling. Programmable and smart models cut energy by matching conditioning to occupancy.

• Static Pressure

  Resistance to airflow in the duct system. High static (undersized ducts, dirty filter) overworks the blower and cuts capacity.

• Three-Way / Multi-Way Switch

  Switches controlling one fixture from two or more locations (stairs, long rooms). Adds wiring complexity in a remodel.

• Soil Stack

  The main vertical drain carrying waste from toilets and fixtures down to the building drain.