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.) | 37 |
| stranding class | B |
| nominal diameter overall (inch) | 0.572 |
| approx. net weight (lb/1000') | 771.9 |
| hard drawn min. breaking strength (lbs.) | 11,600 |
| hard drawn dc resistance (ohms/1000') @ 20°c | 0.0440 |
| medium hard drawn min. breaking strength (lbs.) | 8,952 |
| 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) | 0.0440 |
| ampacity* | 494 |
| service wire part number | BST37S250 |
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