• ✓Identify every electrical energy source before work.
• ✓De-energize equipment whenever work can be performed safely without power.
• ✓Never treat a control switch as an energy-isolating device.

• ✓Lock and tag all electrical isolating devices.
• ✓Each authorized worker must apply a personal lock.
• ✓Control re-energization in accordance with the approved procedure.

• ✓Use a suitable and properly functioning test instrument.
• ✓Verify the tester on a known source before and after testing.
• ✓Confirm absence of voltage on every phase and conductor.

• ✓Electrical work must be performed by trained and qualified persons.
• ✓Only qualified persons may test or work on exposed energized parts.
• ✓Verify competence for the task, equipment and hazards involved.

• ✓Inspect cords, plugs, receptacles, panels and tools before use.
• ✓Never use equipment with damaged insulation or exposed conductors.
• ✓Tag defective equipment and remove it from service immediately.

Applies when: The environment, equipment or applicable rule requires it

• ✓Use suitable GFCI or RCD protection where required.
• ✓Verify grounding conductors and protective devices.
• ✓Never bypass or defeat electrical protective devices.

• ✓Barricade open panels and exposed electrical hazards.
• ✓Keep unauthorized persons outside established approach boundaries.
• ✓Maintain a dry, orderly and adequately illuminated work area.

Applies when: Energized work is justified and authorized

• ✓Consider energized work only when technically justified.
• ✓Verify authorization, risk assessment and an approved work method.
• ✓Use PPE and equipment suitable for shock and arc-flash hazards.