INTERNATIONAL BROTHERHOOD OF
ELECTRICAL WORKERS
LOCAL UNION NO. 756

Vol. 4 No. 5 SEPTEMBER 1997
ANSWERS
The Side-Cutter EAST COAST EDITION The Side-Cutter

  1. Maximum permitted Pri. + Sec = 25'
    25 - 20 = 5' (240 - 21 (d) (3))
    5 feet

  2. Minimum ampacity = 1/3 feeder OCPD 1/3 x 225 = 75
    Amperes (240 - 21 (d) (I))
    75 amperes = No. 4 THW copper

  3. No. 1 = 130 amps
    130 x .5 = 65A
    65A is not I/3 of primary OCPD (225 x I/3 = 75)
    (240 - 21 (d) (2))

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INTERNATIONAL BROTHERHOOD OF
ELECTRICAL WORKERS
LOCAL UNION NO. 756
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