IP Electrical Exam Questions with Complete Solutions (Latest 2025) Why would a timing relay be used in a wye/delta starter? - Correct Answers ✅It is used to allow the motor to come up to speed before changing to delta.Which devices are found in the 120 Volt circuit of a domestic furnace? - Correct Answers ✅The transformer primary and the fan control switch.Where is the filter located? - Correct Answers ✅It is located on the intake side of the fan.In an average house, what percent of the air should be exchanged in an hour? - Correct Answers ✅35 Control circuit wiring and power circuit wiring used in low
voltage switching systems: - Correct Answers ✅can be
rated and sized independently In what applications are "Make-up air units" ideally found in? - Correct Answers ✅They are found in restaurants, body shop paint booths, and parkades.
Electrical equipment vaults must have adequate lighting: -
Correct Answers ✅controlled by a switch near the entrance. Rule 26-356 1 / 3
IP Electrical Exam Questions with Complete Solutions (Latest 2025) What must happen when insulated neutrals conductors are used? - Correct Answers ✅The insulation rating should be the same as the ungrounded conductors. Rule 4-016 As load on a DC motor is increased why would the armature current increase? - Correct Answers ✅It would increase due to motor slowing down, CEMF decreasing, and less current limiting in Gen effect.What is a "constant-current" DC generator known as? - Correct Answers ✅It is known as a differential- compounded generator.In a HVAC unit, which component heats up to the combustion temperature of gas to provide ignition? - Correct Answers ✅hot surface igniter (symbol of it) Why are schematic diagrams are useful for troubleshooting furnaces? - Correct Answers ✅They provide the sequential order of operation in its simplest form.Where is the evaporator coil of a cooling system mounted? - Correct Answers ✅It is mounted indoors and absorbs heat from the blower air. 2 / 3
IP Electrical Exam Questions with Complete Solutions (Latest 2025) What is the cross sectional area of a conductor that has a diameter of 0.75 of an inch? - Correct Answers ✅562500 cmils.Referring to Section 22, pendant lampholders must be of the weatherproof type and hung from insulated stranded
conductors of not less than: - Correct Answers ✅No. 14
AWG copper. Rule 22-104 What is the minimum bending radii measured at the innermost surface of the conduit when armoured cables are installed in accordance with rule 12-602? - Correct Answers ✅10.5 times the diameter of the cable for low voltage cable.(High volt is 18 times) Found in Rule 12-614 When can an electrician carry out work on top of a scaffolding? - Correct Answers ✅There are third guardrail secured in place.What is the maximum number of conductors allowed in one conduit? - Correct Answers ✅200, Rule 12-910 What would the diodes that would be used in a truck and camper with two separate batteries be called? - Correct Answers ✅They would be called isolating diodes.
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