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​ Meter socket and instrument enclosures

​Service Switch or Breaker ​ ​Meter Cabinet ​Size of Current Transformer Enclosures ​ x ​Metering Lead Conduit
​Up to 200 A ​ ​Socket ​N/A ​ ​N/A
​201 to 399 A With current transformers only ​Current and ​potential transformer-rated meter socket. ​Refer to ​Drawing 20 ​750 x 750 x 250 mm ​35 mm
​1.25 in. ​
7.0 m, ​
maximum
length
​​201 to 399 A With current transformers and potential transformers ​​750 x 750 x 250 mm
​400 to 600 A ​​750 x 750 x 250 mm
​Over 600 A ​Custom cabinet - see note
  • All enclosure sizes are for 600 V services or less.
  • All dimensions listed are inside dimensions.
  • A 14 mm (0.5 in.) conduit is required between the meter enclosure and the main telephone panel.
  • EDTI Metering must approve custom-designed cabinets prior to construction.