Surges can occur in any facility and according to the National Electrical Manufacturers Association, 80% of all surges originate inside facilities.
The National Electrical Code Requires Surge Protection In:
- Emergency systems
- Elevators & Escalators
- Wind Electric Systems
- Industrial Machinery
- Fire Pump Controllers
Type of Surge Protection
Use Type 1, 2, and 3 SPDs for the best level of protection
- Type 1:
Permanently connected Surge Protective Device. Protects against external and internal surges. May be installed inside or outside the facility.
- Type 2:
Permanently connected Surge Protective Device installed in, or next to, main panel. Protects against internal and external surges
- Extra Protection
Type 3
Point-of-use Surge Protective Device. Provides limited protection to devices directly plugged into SPD.
Surge Protective Devices Protect Against:
- Equipment Damage
- Equipment Downtime
- Lost Revenue
- Productivity Loss
The following can be damaged by surges and should have a level of Surge Protection to prevent damage, downtime, and lost revenue.
Commercial:
- Lighting Circuits
- Metering
- Medical Equipment
- Critical Loads
- Backup Power
- Uninterruptable Power Supply
- HVAC Equipment
Industrial:
- Power Distribution
- Control Cabinets
- Programmable Logic Controllers
- Electronic Motor Controllers
- Equipment Monitoring
