© 2020 ASCO Power Technologies. All Rights Reserved
10
IO-70060
05/2020
For access to self-service tools and chat support visit se.com/us/en/work/support or call 1-888-778-2733 for technical assistance
ASCO 425 Surge Protective Device (SPD)
Wiring
Wiring and Installation
Parts List
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
• Install an insulated grounding conductor inside a metallic raceway when
the raceway is used as an additional grounding conductor. Size the
conductor in accordance with all applicable codes.
• Maintain adequate electrical continuity at all raceway connections.
• Do not use isolating bushings to interrupt a metallic raceway run.
• Do not use a separate isolated ground for the surge protective device.
• Verify proper equipment connections to the grounding system.
• Verify ground grid continuity by inspections and testing as part of a
comprehensive electrical maintenance program.
Failure to follow these instructions will result in death or serious injury.
DANGER
1 - Model 425 suppressor including 3 feet (.91 M) conductors
1 - Data Sheet
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
• Apply appropriate personal protective equipment (PPE) and follow safe
electrical work practices. See NFPA 70E, NOM-029-STPS or CSA Z462.
•
This equipment must only be installed and serviced by qualified electri
-
cal personnel.
•
Turn off all power supplying this equipment before working on or inside
equipment.
•
Always use a properly rated voltage sensing device to confirm power is
off.
• Replace all devices, doors and covers before turning on power to this
equipment.
•
This equipment must be effectively grounded per all applicable codes.
Use an equipment-grounding conductor to connect this equipment to the
power system ground.
•
Confirm the surge protective device voltage rating on the module or
nameplate label is not less than the operating voltage.
Failure to follow these instructions will result in death or serious injury.
DANGER
