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

GEH5683 Installation Instructions R02

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Spectra Series™ Power Panelboards

Ground Fault Neutral, 1200 A Maximum

WARNING: Danger of electrical shock or injur y.

OFF power ahead of the panelboard or

Turn
switchboard before working inside the
equipment or removing any component
not remove circuit protective devices or any
other component until the power is turned
OFF.

. Do

Installation

1. Remove the c onnection bar. Loosen the four nuts on
the studs (two in each strap) located at the current
transformer and at the load end of the neutral, as
shown in Figure 1. Slide out the connection bar
assembly.

Connection

Bar

Load End

of Neutral

2. Mount the neutral. Place the neutral in the desired
position in the en d of the b ox st amp ed
on the studs in the back of the box. as shown in Figure

2. Place a flat washer, lock washer, and nut on the
studs, as shown in Figure 3. Leave the nuts hand tight.

Align the elongated holes in the neutral with the

holes in the b ox and secure with eight #1 0-32 x
thread-forming screws, as shown in Figure 4. Tighten
the screws and nuts to 27–32 in.-lb.

LINE. Mount it

7

/8"

Stud (one

each side)

Nuts

Figure 1. Removing the connection bar assembly.

Current

Transformer

Figure 2. Neutral mounting position.

#10 Flat Washer,

Lock Washer,

Figure 3. Mounting the neutral in the box.

Hex Nut

3. Mount the bond stra p. If a bonding s trap 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, as shown in Figure 5. (For
NEMA 3R/12 enclosures go to step 4.) If the box is
painted, scratch through the paint in the area where
the bond str ap is to con tact the box. Secure the bond

3

strap to the box w ith on e #10-32 x

/8" thread-forming
screw. Tighten the screws 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.

#10-32 x

3

/8" Screw

Bond
Strap

Figure 4. Securing the neutral in position.

Neutral

Base

Elongated

Hole

#10-32 x

7

/8" Screw

Nut Washer (bolt

head on underside)

Slide Bond Strap

(with slot) under

Head of Bolt

Figure 5. Attaching a bond strap.