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Service Wire 250 MCM 19 Strands Bare Copper Conductor Soft Annealed, Medium Hard, Hard Drawn Wire BST19S250

Service Wire 250 MCM 19 Strands Bare Copper Conductor Soft Annealed, Medium Hard, Hard Drawn Wire BST19S250

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  • Service Wire 250 MCM 19 Strands Bare Copper Conductor Soft Annealed, Medium Hard, Hard Drawn Wire BST19S250
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Product Information
Service Wire 250 MCM 19 Strands Bare Copper Conductor Soft Annealed, Medium Hard, Hard Drawn Wire BST19S250

Application: Suitable for use in electrical grounding systems (including counterpoise grounding) and on insulators for overhead transmission and distribution applications. Stranded conductors offer greater flexibility than solid. 

Standards: 
• ASTM Standards: 
• B-1 (hard drawn) 
• B-2 (medium hard drawn) 
• B-3 (soft or annealed) 
• B-8 (concentric lay stranded) 
• B-33 (tinned) 
• B-787 (combination strand) 
• REA/RUS Approved 
• Federal Standard QQ-W-343 
• RoHS Compliant

technical specification:
size awg 250
strand (no.) 19
stranding class A
nominal diameter overall (inch) 0.574
approx. net weight (lb/1000') 771.9
hard drawn min. breaking strength (lbs.) 11,360
hard drawn dc resistance (ohms/1000') @ 20°c 0.0440
medium hard drawn min. breaking strength (lbs.) 8,836
medium hard drawn dc resistance (ohms/1000') @ 20°c 0.0438
soft drawn dc resistance (ohms/1000') @ 20°c (bare) 0.0423
soft drawn dc resistance (ohms/1000') @ 20°c (tinned) 0.0435
ampacity* 494
service wire part number BST19S250
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