Leviton MX789-HGR Installation Manual

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Page 1

Installing and

LINE

ABC

LOAD

Service

Panel

LOAD

LINE

Testing a

LEV-LOKTM

Modular GFCI

Receptacle

Please read this leaﬂet

completely before getting started.

PK-93844-10-00-2A

CAUTION

• To prevent severe shock or electrocution always turn the power OFF at the service panel before working with wiring.

• Use this GFCI with copper or copper-clad wire. Do not use it with aluminum wire.

• Do not install this GFCI receptacle on a circuit that powers life support equipment because if the GFCI trips it will shut down the equipment.

• For installation in wet locations, protect the GFCI receptacle with a weatherproof cover that will keep both the receptacle and any plugs dry.

• Must be installed in accordance with national and local electrical codes.

• Use only with LEVITON LEV-LOKTM module, Cat. No. MSTWL.

1. What is a GFCI?

A GFCI receptacle is different from conventional receptacles. In the event of a ground fault, a GFCI will trip and quickly stop the ﬂow of electricity to prevent serious injury.

Deﬁnition of a ground fault:

Instead of following its normal safe path, electricity passes through a person's body to reach the ground. For example, a defective appliance can cause a ground fault.

A GFCI receptacle does NOT protect against circuit overloads, short circuits, or shocks. For example, you can still be shocked if you touch bare wires while standing on a nonconducting surface, such as a wood ﬂoor.

GFCI's contain a lockout feature that will prevent RESET if:

• There is no power being supplied to the GFCI.

• The GFCI cannot pass its internal test, indicating that it may not be able to provide protection in the event of a ground fault.

2. The LEV-LOKTM Modular GFCI's features

FRONT VIEW

Receptacle

RESET button: See step 8

TEST button: See step 8

Self-Ground Clip

Mounting Bracket

FOLLOW INSTRUCTIONS

SUIVEZ INSTRUCTIONS

RESET

TEST

TEST MENSUEL

TEST MONTHLY

TEST

Outlet

LED Indicator Light

Receptacle Tab #1

A yellow sticker covers the LOAD terminals. DO NOT remove the sticker at this time.

(Remove only if load terminals will be used and then break off tab with pliers)

LOAD Hot terminal

(Brass or Black): Connection for the LOAD cable's black wire

Back wire

BACK VIEW

HOT WIRE

FIL ACTIF

FIL BLANC

WHITE WIRE

Receptacle Pin Contacts

Receptacle Tab #2

LOAD White terminal

(Silver): Connection for the LOAD cable's white wire

3. Should you install it?

Installing a GFCI receptacle can be more complicated than installing a conventional receptacle.

Make sure that you:

• Understand basic wiring principles and techniques

• Can interpret wiring diagrams

• Have circuit wiring experience

•

Are prepared to take a few minutes to test your work, making sure that you have wired the GFCI receptacle correctly

4. LINE cable

A cable consists of 2 or 3 wires.

Cable Wires

LINE cable:

Delivers power from the service panel (breaker panel or fuse box) to the GFCI. If there is only one cable entering the electrical box, it is the LINE cable. This cable should be connected to Cat. No. MSTWL module cables only.

LOAD cable:

Delivers power from the GFCI to another receptacle in the circuit. This cable should be connected to the GFCI's LOAD terminals only. The LOAD terminals are under the yellow sticker. Do NOT remove the sticker at this time.

5. Turn the power OFF

Plug an electrical device, such as a lamp or radio, into the receptacle on which you are working. Turn the lamp or radio ON. Then, go to the service panel. Find the breaker or fuse that protects that receptacle. Place the breaker in the OFF position or completely remove the fuse. The lamp or radio must turn OFF.

Next, plug in and turn ON the lamp or radio at the receptacle's other outlet to make sure the power is OFF at both outlets. If the power is not OFF, stop work and call an electrician to complete the installation.

6. Identify cables/wires

Important:

DO NOT install the GFCI receptacle in an electrical box containing (a) more than four (4) wires (not including the grounding wires) or (b) cables with more than two (2) wires (not including the grounding wire). Contact a qualiﬁed electrician if either (a) or (b) are true.

If you are replacing an old receptacle, pull it out of the electrical box without disconnecting the wires.

•

If you see one cable (2-3 wires), it is the LINE cable. The receptacle is probably in position C (see diagram to the right). Remove the receptacle and go to step 7A.

• If you see two cables (4-6 wires), the receptacle is probably in position A or B (see diagram to the right). Follow steps a-e of the procedure to the right.

Procedure: box with two (2) cables (4-6 wires):

(a) Detach one cable's white wire and hot

wires from the receptacle and cap each one separately with a wire connector. Make sure that they are from the same cable.

(b) Re-install the receptacle in the electrical

box, attach faceplate, then turn the power ON at the service panel.

receptacle. If so, the capped wires are the LOAD wires. If not, the capped wires are the LINE wires.

(d) Turn the power OFF at the service panel,

label the LINE and LOAD wires, then remove the receptacle.

(e) Go to step 7B.

Placement in circuit:

The GFCI's place in the circuit determines if it protects other receptacles in the circuit.

Sample circuit:

Placing the GFCI in position A will also provide protection to "load side" receptacles B and C. On the other hand, placing the GFCI in position C will not provide protection to receptacles A or B. Remember that receptacles A, B, and C can be in different rooms.

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WHITE WIRE

FIL BLANC

HOT WIRE

FIL ACTIF

LOCK

UNLOCK

Black

Green

White

7. Connect the wires (choose A or B)... only after reading other side completely

RESET

TEST

RESET

TEST

RESET

TEST

RESET

Wire

19/32" (1.5 cm)

Wire

3/4" (1.9 cm)

A: One Cable (2 or 3 wires) entering the box O B: Two cables (4 or 6 wires) entering the box

Grounding connection to box (if box has a

grounding terminal)

Wire Connector

Electrical Box

Connect Lev-Lok Module:

•

Remove pre-cut insulation from module leads, twist all strands tightly together, and strip wall box wires [about 5/8" (1.6 cm)].

Connect the LINE cable wires to the LINE leads of the Lev-Lok module:

• The white wire connects to the WHITE lead of the Lev-Lok module.

• The black wire connects to the BLACK lead of the Lev-Lok module.

Connect the grounding wire (only if there is a grounding wire):

• For a box with no grounding terminal (diagram not shown): Connect the LINE cable's bare copper (or GREEN) wire directly to the GREEN lead of the Lev-Lok module.

• For a box with a grounding terminal (diagram shown above): Connect a 6-inch bare copper (or GREEN) 12 or 14 AWG wire to the GREEN lead of the Lev-Lok module. Also connect a similar wire to the grounding terminal on the box. Connect the ends of these wires to the LINE cable's bare copper (or GREEN) wire using a wire connector. If these wires are already in place, check the connections. NOTE: Push wires ﬁrmly into wire connectors. Screw connectors on clockwise making sure that no bare wire shows below the connector and secure each connector with electrical tape.

Connect Lev-Lok Module to GFCI:

• Remove protective label from module to expose contacts. Align rounded end of module with rounded guide on back of GFCI and push module contacts onto GFCI pin contacts (Fig. A). Turn module clockwise until it locks under GFCI tabs with an audible "snap" (Fig. B). Module must be seated ﬂush with GFCI base when properly installed.

WARNING: Module can only be inserted one

way onto GFCI. Do not attempt to force improper orientation as damage to module or GFCI may occur. DO NOT USE GFCI OR MODULE IF

TABS ARE BROKEN!

Complete the installation:

• Fold the wires into the box, keeping the grounding wire away from the WHITE and HOT leads. Screw the GFCI to the box and attach the faceplate.

• Go to step 8.

LINE cable brings power to the GFCI

Green

Black

Yellow sticker

LOCK

remains in place to cover the

UNLOCK

HOT WIRE

FIL ACTIF

WHITE WIRE

FIL BLANC

LOAD terminals

(Remove only if load terminals will be used and then break off tab with pliers go to 7B)

Fig. A Fig. B

LOCK

UNLOCK

HOT WIRE

FIL ACTIF

FIL BLANC

WHITE WIRE

UNLOCK

HOT WIRE

FIL ACTIF

Grounding connection to box (if box has a

grounding terminal)

Wire Connector

Electrical Box

LOAD cable feeds power to other receptacle(s)

About Wire Connections: Side Wire:

For Side wire -

Loop clockwise 2/3 of the way around screw

NOTE: LOAD wiring terminals accept #10 - #14 AWG solid or stranded copper wire.

Connect the LINE cable wires to the LINE leads of the Lev-Lok module:

• The white wire connects to the WHITE lead of the Lev-Lok module.

• The black wire connects to the BLACK lead of the Lev-Lok module.

Connect the LOAD cable wires to the LOAD terminals:

• Remove the YELLOW sticker to reveal the LOAD terminals.

LOCK

WHITE WIRE

FIL BLANC

• The white wire connects to the WHITE terminal (Silver).

• The black wire connects to the HOT terminal (Brass or Black).

Connect the grounding wires (only if there is a grounding wire):

• Connect a 6-inch bare copper (or GREEN) 12 or 14 AWG wire to the GREEN lead of the Lev-Lok module. the grounding terminal on the box. Connect the ends of these wires to the LINE or LOAD cable's bare copper (or GREEN) wire using a wire connector. If these wires are already in place, check the connections. connectors on clockwise making sure that no bare wire shows below the connector and secure each connector with electrical tape.

Complete the installation:

• Fold the wires into the box, keeping the grounding wire away from the WHITE and HOT terminals. Screw the receptacle to the box and attach the faceplate.

• Go to step 8.

LINE cable brings power to the GFCI

Back Wire:

For Back wire -

Insert bare wire fully and tighten terminal clamp on conductor ONLY

If the box has a grounding terminal, also connect a similar wire to

NOTE: Push wires ﬁrmly into wire connectors. Screw

UNLOCK

HOT WIRE

FIL ACTIF

LOCK

WHITE WIRE

FIL BLANC

8. Test your work

Why perform this test?

• If you miswired the GFCI it may not prevent personal injury or death due to a ground fault (electrical shock).

• If you mistakenly connect the LINE wires to the LOAD terminals, the GFCI will not reset and will not provide power to either the GFCI receptacle face or any receptacles fed from the GFCI.

Procedure:

(a)

This GFCI is shipped from the factory in the tripped condition and cannot be reset until it is wired correctly and power is supplied to the device. Plug a lamp or radio into the GFCI (and leave it plugged in). Turn the power ON at the service panel. Ensure that the GFCI is still in the tripped condition by pressing the TEST button. If the indicator light on the GFCI receptacle face is ON and the lamp or radio is OFF go to the Troubleshooting section because LINE and LOAD wiring connections have been reversed. You will not be able to RESET the GFCI in this condition.

(b) Press the RESET button fully. If the lamp or radio turns ON and the

Indicator Light turns ON, the GFCI has been installed correctly. If the GFCI cannot be reset, go to the Troubleshooting section.

a lamp or radio into surrounding receptacles to see which one(s), in addition to the GFCI, lost power when you pressed the TEST button. DO NOT plug life saving devices into any of the receptacles that lost power. Place a "GFCI PROTECTED OUTLET" sticker on every receptacle that lost power, then press the RESET button to reset the GFCI.

(d) Press the TEST button (then RESET button) every month to assure proper

operation. If the Indicator light does not go out and come back on or if the GFCI cannot be reset, then it must be replaced.

Turn the power OFF and check the wire connections against the appropriate wiring diagram in step 7A or 7B. Make sure that there are no loose wires or loose connections. Start the test from the beginning of step 8 if you rewired any connections to the GFCI.

Ratings DescriptionCat. No.

15A-125V ACMN759

20A-125V ACMN789

15A-125V ACMX759

MX789

Leviton warrants to the original consumer purchaser and not for the beneﬁt of anyone else that this product at the time of its sale by Leviton is free of defects in materials and workmanship under normal and proper use for two years from the purchase date. Leviton’s only obligation is to correct such defects by repair or replacement, at its option. For details visit www.leviton.com or call 1-800-824-3005. This warranty excludes and there is disclaimed liability for labor for removal of this product or reinstallation. This warranty is void if this product is installed improperly or in an improper environment, overloaded, misused, opened, abused, or altered in any manner, or is not used under normal operating conditions or not in accordance with any labels or instructions. There are no other or implied warranties of any kind, including merchantability and ﬁtness for a particular purpose, but if any implied warranty is required by the applicable jurisdiction, the duration of any such implied warranty, including merchantability and ﬁtness for a particular purpose, is limited to two years. Leviton is not liable for incidental, indirect,

special, or consequential damages, including without limitation, damage to, or loss of use of, any equipment, lost sales or proﬁts or delay or failure to perform this warranty obligation. The remedies provided herein are the exclusive remedies under this warranty, whether based on contract, tort or otherwise.

SmartlockPro is a Trademark of Leviton Manufacturing Co., Inc. registered in the United States, Canada, Mexico and China.

Lev-Lok is a Trademark of Leviton Manufacturing Co., Inc. in the United States, Canada and Mexico.

This product is covered by U.S. Patent Nos. 6,040,967; 6,246,558; 6,282,070; 6,381,112; 6,437,953; 6,646,838; 6,657,834; 6,788,173; 6,864,766; 6,900,972; 6,944,001; 7,082,021; 7,336,458; 7,355,117; 7,400,479; 7,463,124; 7,697,252; 7,737,809; 7,764,151; 7,820,909*; 7,868,719*; 7,907,371; 8,054,595; 8,130,480; 8,242,362* and corresponding foreign patents (*applies only to MX759 and MX789).

FOR CANADA ONLY

For warranty information and/or product returns, residents of Canada should contact Leviton in writing at Leviton Manufacturing of Canada Ltd to the attention of the Quality Assurance Department, 165 Hymus Blvd, Pointe-Claire (Quebec), Canada H9R 1E9 or by telephone at 1 800 405-5320.

20A-125V AC

All devices rated 20A feed-through

For Technical Assistance Call: 1-800-824-3005 (U.S.A. Only) 1 800 405-5320 (Canada Only) www.leviton.com

TROUBLESHOOTING

General Information

LEV-LOKTM Slim Modular GFCI Duplex Receptacle

LEV-LOKTM Slim Modular Tamper Resistant GFCI Duplex Receptacle

LIMITED 2 YEAR WARRANTY AND EXCLUSIONS

PK-93844-10-00-2A