Main Electrical Room
Room containing main electrical controls; access restricted to authorized personnel only.
Danger Electric fence
Electric fence present; unauthorized contact can result in shock or injury.
Caution Electrostatis sensitive devices
Devices in this area are sensitive to static; follow procedures to prevent static discharge.
Caution High voltage
High voltage in the area; caution required to prevent electric shock or injury.
Caution Electrical hazard
Electrical hazard present; take necessary precautions to avoid injury.
Warning Arc flash explosion Sign
Arc flash risk present; ensure proper safety measures are taken, including PPE.
Electrical shock Warning Sign
Risk of electrical shock present; unauthorized personnel must stay clear of this area.
Electrical shock / Electrocution Sign
Warning of risk of electrical shock or electrocution in the area; follow all safety protocols.
Lock out electrical power
Lock out electrical power before maintenance to avoid accidental activation and injury.
Caution Do not weld Sensitive electronic devices
Welding prohibited near sensitive electronic equipment due to risk of damage from electrical interference.
Danger Shock and arc flash explosion hazards Hazardous voltage
Shock and arc flash risks present; wear proper PPE and use caution when working in this area.
Lock out point
Lockout point for isolating electrical power during maintenance to prevent accidental energizing.
Main disconnect
Main disconnect switch for electrical systems; use to cut power during maintenance or emergencies.
Notice Wear anti-static shoes before entering
Anti-static shoes must be worn to prevent static discharge in sensitive areas.
Caution Face and hand protection Battery safety
Face and hand protection required when handling batteries due to chemical and electrical hazards.
Warning Battery charging area
Battery charging in progress; follow safety guidelines to avoid risks such as fire or acid burns.
Caution This equipment must be grounded
Grounding is required for this equipment to prevent electrical hazards.
Caution Prevent static spark discharge Use grounding devices
Use grounding devices to prevent static sparks that could ignite flammable materials.
Caution No smoking Battery charging area
No smoking permitted in the battery charging area due to fire or explosion risks.
Warning High voltage Keep out Authorised personnel only
High voltage area; access restricted to trained personnel to prevent injury.
Warning Authorised entry only Transformer area Not a walkway
Transformer area is not a passageway; only authorized personnel allowed.
Warning Electrical hazard Keep out
Electrical hazard present; unauthorized personnel must keep out of the area.
Danger High Voltage
High voltage equipment or area; unauthorized entry can lead to severe injury or death.
Stop More than one power source supplies this equipment
This equipment is powered by multiple sources; ensure all are isolated before working.