GE Industrial Solutions Spectra Series Power Panelboards Ground Fault Neutral, 1200 A Maximum User Manual

Page 3

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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)

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