GE Industrial Solutions Spectra Series Power Panelboards Ground Fault Neutral, 1200 A Maximum User Manual
Page 3
4. Bond strap in NEMA 3R/12 enclosures. If a bond
strap is required for service entrance use, loosen the
bolt at the line end of the neutral transformer and
slide the bond strap under the head of the bolt.
Position the right-angle bracket so that the slotted
holes align with the holes in the bond strap and the
bracket in the back of the box, as shown in Figure 6.
Secure with two #10-32 x
3
/
8
" thread-forming screws
and tighten to 27–32 in.-lb. Retighten the nut at the
other end of the bond strap at the neutral transformer
to 200–250 in.-lb.
Figure 6. Mounting a bond strap in a NEMA 3R/12 enclosure.
5. Replace the connection bar. Slide the connection bar
assembly back into position on the four studs, as
shown in Figure 1, and tighten the nuts to 200–250
in.-lb.
#10-32 x
3
/
8
" Screws
Bond
Strap
Angle
Bracket
Box
Bracket
Nut Washer (bolt
head on underside)