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Instruction Bulletin

QO™ and Homeline™ Load Centers

Class 1100

Retain for future use.

ENGLISH

Rev. 03, S1B33894, 04/2021

Replaces Rev. 02, S1B33894, 05/2014

© 2012–2021 SchneiderElectric All Rights Reserved

™

Safety Information

This bulletin contains instructions for the installation and operation of QO and Homeline load centers. It also

includes installation instructions for standard and tandem branch circuit breakers. See separate instruction

bulletins included with advanced function circuit breakers and accessories, when installed.

Preparation

DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

•Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices. See NFPA

70E, NOM-029-STPS or CSA Z462 or local equivalent.

•This equipment must only be installed and serviced by qualified electrical personnel.

•Turn off all power supplying this equipment before working on or inside equipment.

•Always use a properly rated voltage sensing device to confirm power is off.

•Replace all devices, doors and covers before turning on power to this equipment.

•Do not allow petroleum-based paints, solvents, or sprays to contact the nonmetallic parts of this product.

•Before starting a wiring installation or addition, consult a local building or electrical inspector for current

National Electrical Code requirements. Local codes vary, but are adopted and enforced to promote safe

electrical installations. A permit may be needed to do electrical work, and some codes may require an

inspection of the electrical work.

•This equipment may not be suitable for use in corrosive environments present in agricultural buildings. See

NEC 547.

Failure to follow these instructions will result in death or serious injury.

1.Determine the wiring or conduit requirements for the main and branch circuits, as required by local electrical

codes.

2.Select the proper cable clamp, or use other approved methods for securing the cable or conduit to the

enclosure.

3.Remove the appropriate knockouts required for installation of cable clamps or conduit (Table 1). To remove

the knockouts, see Figure 1.

Table1: Bolt-on Conduit Hubs for

Outdoor Load Centers

Figure1: Removing Knockouts

ConduitHub No.

3/4 in.B-075

1 in.B-100

1-1/4 in.B-125

1-1/2 in.B-150

2 in.B-200

2-1/2 in.B-250

Product specificaties