Identify the statement in which the ON/OFF state has no influence on heating when 115VAC is applied.

• A. The drain masts heat only when the ON/OFF state is ON.
• B. The ON/OFF state has no influence on heating when 115VAC is applied.
• C. The drain masts heat when 230VAC is applied.
• D. The drain masts heat whenever 115VAC power is applied to the controller, regardless of the ON/OFF state.

Answer: (B)

The main idea is that heating in this case is driven solely by the presence of 115VAC, not by any ON/OFF control signal. When 115VAC is applied, the heater will produce heat regardless of what the ON/OFF state is doing. The statement that the ON/OFF state has no influence on heating under 115VAC captures this direct relationship: the voltage supply dictates heating, not the ON/OFF control.

The other options introduce dependence on the ON/OFF state, use a different voltage, or describe the control path in a way that adds ambiguity about what path actually drives heating, so they don’t align with the condition described.