BG Electrical Wiring Accessories Plate Switch and Fan Isolator Installation Guide

BG Electrical Wiring Accessories: Plate Switch & Fan Isolator Installation Guide

Brand: BG Electrical

Safety Warning

For your safety, this product must be installed in accordance with local Building Regulations. If in any doubt, or where required by law, consult a competent person registered with an electrical self-certification scheme. Further information is available online or from your Local Authority.

Please read carefully and use in accordance with these safety wiring instructions. Before commencing any electrical work, ensure the supply is switched off at the mains by switching off the consumer unit or by turning off the appropriate fuse or MCB (trip). Wiring should be in accordance with the latest edition of the IET regulations (BS 7671).

To prevent fire hazard, always use cable of the correct rating & type for the application. Warning: Do not exceed the load rating of this device as stated on the rear of the product.

Wire Identification - Twin & Earth Cable:

Note: As from 1st April 2004, new colour codes for hard wire installations were introduced.

  • EARTH: Green/Yellow Sleeving
  • NEUTRAL: Black (pre Apr 04) / Blue (after Apr 04)
  • LIVE: Red (pre Apr 04) / Brown (after Apr 04)

Wiring Instructions

1. Power Off

Before commencing work, always isolate the power at the consumer unit/fuse box. *Note: If your installation uses a four-lug metal mounting box, remove the top and bottom lugs or bend fully back.

2a. Replacing an Existing Accessory

  1. Unscrew the accessory from the wall/mounting box.
  2. Note the cable connections: The illustration shows 1 wire of each colour connected to each terminal. There should be an additional connection between the mounting box earth terminal and the accessory earth terminal.
  3. Unscrew each terminal to release the wire.

2b. New Installation

  1. Install mounting box (metal or moulded) for either flush or surface mounting, ensuring appropriate size for the product (Mounting box to be purchased separately).
  2. Select the most suitable entry point of the mounting box (knock-out) and route the cables through. If a metal box is used, a cable grommet should be fitted to the entry point.
  3. Cables should be prepared so a sufficient conductor length reaches the terminals. Strip the ends of the individual conductors, leaving an adequate length bare to enter terminals.

3. Connection (See diagram)

  1. Line up the new accessory to the mounting box and take note of where each terminal is located.
  2. Connect each wire to the matching terminal.
  3. An earth connection should always be made between the mounting box earth terminal and the accessory earth terminal, where fitted.
  4. All bare earth wires must be sheathed with green/yellow sleeving. When connecting the new accessory, ensure that only the bare end of the wire enters the terminal and no bare wires are visible.
  5. Tighten terminal screws securely (Do not over tighten).

4. Complete Installation & Test

  1. Carefully position the accessory into the mounting box, ensuring that no wires are trapped between the plate and the wall. Secure with screws (do not over tighten) then insert screw covers (optional).
  2. Once the installation has been completed correctly, replace the fuse/reset MCB (trip), switch the power back on at the consumer unit, and test.

Switch Types

One Way Switching

One way switching is used in installations that require just one switch to control a light (or circuit), i.e., on or off. A two-way switch can be used for one-way connection by using the COM and L1 terminals. For multiple gang switches (2, 3, 5 & 6), repeat the process.

Diagram Description: One Way Switching

This diagram illustrates a single switch controlling a light. It shows connections for TO LIGHT, SWITCHED LIVE, LIVE, and EARTH. The SWITCHED LIVE wire, connecting to the light, should have a brown sleeve. The LIVE wire connects to the switch. The EARTH wire connects to the switch and also to the mounting box earth terminal.

Two Way Switching

Two way switching is used where a light is controlled by two switches. For multiple gang switches (2, 3, 5 & 6), repeat the process.

Diagram Description: Two Way Switching

This diagram shows the wiring for controlling a light from two locations using a 2-way switch. It indicates connections for COM, L1, and L2 terminals on the switch. Connections are made from the supply (LIVE, NEUTRAL, EARTH) and to the light (SWITCHED LIVE). A BS 6004 3-core + Earth cable is indicated. The SWITCHED LIVE cable to the light requires a brown sleeve. The EARTH connection must be made between the mounting box and the switch's earth terminal.

Bell Push

The bell push is a one way switch with a retractive rocker switch. Before installing, ensure the bell unit is suitable for the supply voltage.

Diagram Description: Bell Push

This diagram depicts a bell push, which is a one-way switch with a retractive rocker. It shows connections for TO BELL, SWITCHED LIVE, LIVE, and EARTH. The SWITCHED LIVE wire requires a brown sleeve. The EARTH connection is made to the switch and the mounting box earth terminal.

Intermediate Switching

Intermediate switching is used in installations that require three or more switches to control a light, and should be used together with two 2-way switches.

Diagram Description: Intermediate Switching

This diagram illustrates intermediate switching, used when a light needs to be controlled from three or more locations. It requires two 2-way switches in conjunction with an intermediate switch. The diagram shows connections for TO LIGHT, SWITCHED LIVE, LIVE, EARTH, and indicates terminals like COM, L1, L2. The SWITCHED LIVE cable to the light needs a brown sleeve. The EARTH connection is essential and must be made between the mounting box and the switch's earth terminal.

Additional Advice for Decorative Products

Fixing method varies depending on the product range supplied. Always ensure the wall surface is reasonably flat and smooth, with no bumps or projections.

Metal frontplates WITH screw fixing holes: Fix the unit to the back box using the two fixing screws supplied. All Decorative products MUST have an earth connection between the frontplate and back box.

Frontplates WITHOUT screw fixing holes: These products comprise a main unit with an integral gasket, and a frontplate as a separate item. Fix the unit to the back box using the two fixing screws supplied. Clip the frontplate onto the main assembly, ensuring the screwdriver notch is located at the bottom right-hand corner.

To remove the plate, place a medium-size flat bladed screwdriver in the notch and lever off against the gasket.

Care Instructions

To maintain the high quality appearance of decorative finish switches and sockets, BG Electrical recommends the use of a soft cloth periodically to clean the front face. When installing a decorative product, please ensure that the wall is decorated, finished, and free of moisture prior to installation.

BG Electrical recommends avoiding contact with, but not restricted to, the following substances when cleaning or decorating decorative metal front-plates:

  • Adhesive tape, including low tack masking tape
  • Solvents
  • White spirit
  • Multi surface cleaners
  • Industrial multipurpose cleaning wipes
  • Wet wipes

Using items like those listed above may cause a degrading effect to the front-plate's lacquer/plated finish, although the function will remain unaffected.

Fan Isolator - 3 Pole Switch

During repair, installation, or routine maintenance, the power supply to the fan unit must be disconnected. This isolating switch can be installed as shown in the diagrams to enable the remainder of the circuit to remain live.

These instructions should be read in conjunction with the instructions supplied with the fan unit and the latest IET Wiring Regulations. Please follow the appropriate wiring diagram for your particular installation.

Important:

  • The continuity of the protective conductors must be maintained.
  • The isolator switch shall be so situated as to be inaccessible to a person using a fixed bath or shower.

Fan Isolator Switching Diagrams

Diagram Description: Fan Isolator Switching (From Supply to Fan Isolator, then to Fan - Without Timer)

This diagram shows a 3-pole fan isolator switch wired between the power supply and a fan (without timer). The LIVE wire from the supply connects to the isolator's COM terminal. The SWITCHED LIVE output from the isolator's L1 terminal connects to the fan's LIVE input. The NEUTRAL and EARTH wires from the supply connect directly to the fan. Brown sleeving is applied to the SWITCHED LIVE cable. The EARTH connection to the mounting box is shown.

Diagram Description: Fan Isolator Switching (Alternative wiring for Fan Isolator - Without Timer)

This diagram presents an alternative wiring configuration for a fan isolator (without timer). The LIVE wire from the supply connects to the isolator's COM terminal. The SWITCHED LIVE output from the isolator's L2 terminal connects to the fan's LIVE input. The NEUTRAL and EARTH wires from the supply connect directly to the fan. Brown sleeving is applied to the SWITCHED LIVE cable. The EARTH connection to the mounting box is shown. This diagram also indicates a 'LIGHT' terminal on the isolator, which is not used in this fan isolation setup.

Diagram Description: Fan Isolator Switching (From Supply to Fan Isolator, then to Fan - With Timer)

This diagram illustrates the fan isolator wiring for a fan *with* a timer. The LIVE wire from the supply connects to the isolator's COM terminal. The SWITCHED LIVE output from the isolator's L1 terminal connects to the fan's LIVE input (for the timer circuit). The NEUTRAL and EARTH wires from the supply connect directly to the fan. Brown sleeving is applied to the SWITCHED LIVE cable. The EARTH connection to the mounting box is shown.

Diagram Description: Fan Isolator Switching (Alternative wiring for Fan Isolator - With Timer)

This diagram shows an alternative wiring setup for a fan isolator (with timer). The LIVE wire from the supply connects to the isolator's COM terminal. The SWITCHED LIVE output from the isolator's L2 terminal connects to the fan's LIVE input (for the timer circuit). The NEUTRAL and EARTH wires from the supply connect directly to the fan. Brown sleeving is applied to the SWITCHED LIVE cable. The EARTH connection to the mounting box is shown.

Technical Specifications

Voltage 220-250V~
Frequency 50/60Hz
Rating (General) 20A 16AX
SBL Rating 250W
Rating (Fan Isolator) 10A 3 Pole
Rating (Bell Push) 10A
Terminal Capacity 4 x 1mm², 4 x 1.5mm², 2 x 2.5mm², 1 x 4mm², 1 x 6mm²
Min Box Depth (Profiled Plates) 1 & 2 gang switches: 16mm; Fan, 3, 4 & 6 gang switches: 25mm
Min Box Depth (Flat Plates) 25mm

Approvals: ASTA Approved. The ASTA quality mark indicates independent testing to applicable standards.

Batch Code Explanation

yyWxx: Manufacturing date code, where yy is the year of manufacture and Wxx is the week of manufacture.

Address & Helpline

UK:

Luceco PLC
Stafford Park 1
Telford TF3 3BD
ENGLAND

EU:

Luceco SE
C/ Bobinadora 1-5
08302 Mataró
SPAIN

For technical assistance, contact the Technical Helpline:

Phone: +44 (0)3300 249 279

Email: technical.support@bgelectrical.co.uk

Environmental Protection

This symbol, known as the "Crossed-out Wheelie Bin Symbol" [?️], indicates that the product or battery should not be disposed of with general household waste. Electrical and electronic items contain chemicals that can be harmful to health and the environment. Please dispose of these items through separate collection schemes for recovery and recycling. Your cooperation is vital for environmental protection.

Models: PM12W Part M Grey Moulded 1 Gang 2 Way Plateswitch, PM12W, Part M Grey Moulded 1 Gang 2 Way Plateswitch, Gang 2 Way Plateswitch, Way Plateswitch

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