Article 280 Surge Arresters
I. General
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			 280.1  | 
			
			 Scope  | 
		
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			 280.2  | 
			
			 Definition  | 
		
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			 280.3  | 
			
			 Number Required  | 
		
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			 280.4  | 
			
			 Surge-Arrester Selection  | 
		
II. Installation
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			 280.11  | 
			
			 Location  | 
		
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			 280.12  | 
			
			 Routing of Surge-Arrester Connections  | 
		
III. Connecting Surge Arresters
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			 280.21  | 
			
			 Installed at Services of Less Than 1000 Volts  | 
		
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			 280.22  | 
			
			 Installed on the Load Side of Services of Less Than 1000 Volts  | 
		
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			 280.23  | 
			
			 Circuits of 1 kV and overSurge-Arrester Conductors  | 
		
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			 280.24  | 
			
			 Circuits of 1 kV and overInterconnections  | 
		
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			 280.25  | 
			
			 Grounding  |