EIM 1st Quarter Examination 2025-2026

Which of the following is a standard color for grounding wires in most electrical systems?

• Red

• Blue

• Green

• Yellow

Why is it important to switch off the main breaker before repairing an electrical circuit?

• To save electricity

• To reduce electric bill

• To prevent electric shock

• To make wires last longer

You are tasked to replace a damaged extension cord. Which safety measure should you apply first?

• Test the cord while it's plugged in

• Unplug the cord before working on it

• Pull the cord from the wall by the wire

• Wrap the damaged area with any tape available

Why should safety goggles be worn when grinding metal?

• To improve eyesight

• To help see better in low light

• To protect the eyes from flying debris

• To make the worker look professional

You are assigned to work in a dusty environment. Which PPE should you choose to prevent inhalation of dust particles?

• Hard hat

• Ear plugs

• Dust mask

• Face shield

A worker is welding without wearing gloves and a welding helmet. Which hazards is the worker most at risk of?

• Muscle cramps and fatigue

• Skin burns and dehydration

• Electric shock and eye injury

• Back strain and hearing loss

Why is it important to use insulated-handled pliers when working with electrical wiring?

• A. To save money

• B. To cut wires faster

• C. To make the tool lighter

• D. To prevent electric shock

Which of the following is used to measure electrical voltage?

• Pliers

• Ammeter

• Voltmeter

• Wire stripper

Why is it important to use insulated-handled pliers when working with electrical wiring?

• To save money

• To cut wires faster

• To make the tool lighter

• To prevent electric shock

If you need to tighten a small screw on an electrical outlet, which tool should you use?

• Hacksaw

• Soldering iron

• Adjustable wrench

• Phillips screwdriver