The MINIMUM dimensions of the telecommunications main grounding busbar is ________ and variable in length.

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Options

• A4 mm (0.16 in) x 80 mm (3.15 in)
• B6.3 mm (0.25 in) x 100 mm (4 in)
• C8 mm (0.31 in) x 110 mm (4.33 in)
• D10.5 mm (0.41 in) x 140 mm (5.51 in)
• E12.75 mm (0.50 in) x 175 mm (6.89 in)

• A
  8% (3)
• B
  74% (28)
• C
  13% (5)
• D
  3% (1)
• E
  3% (1)

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