Rules for Installing Switches and Sockets

General Rules

• All plugs and socket outlets must be 3-pin type.
• Provide an adequate number of sockets in each room.
• In sub-power circuits:
  • Use only 3-pin, 16A sockets.
  • Each sub-circuit can supply a maximum of 2 sockets with total load not exceeding 3000W.
• Appliances requiring more than 16A must be controlled by a double-pole switch.

Height and Positioning

• Standard Guidelines:
  • 25 cm above floor (general use).
  • 130 cm above floor (worktops, kitchens).
  • Not less than 130 cm in bathrooms.
• Part M Building Regulations (for accessibility in new buildings):
  • Sockets: bottom at 45 cm above floor.
  • Switches: top at 120 cm above floor.
  • Applies to habitable rooms in new builds.
  • Exceptions: garages, kitchens, or dwellings designed for limited reach.
  • Not mandatory for replacements or extensions, but good practice for safety and convenience.
  • For kitchen worktops → leave 15 cm clearance above worktop to avoid cable damage.

Types of Switches

• Toggle Switches → standard household.
• Push Button Switches → intermittent use.
• Pilot Light Switches → show power status with indicator light.
• Dimmer Switches → adjustable lighting, energy saving.
• Smart/Automated Switches → manual or wireless control.

Layout Planning

• Place switches near doorways/staircases for convenience.
• Maintain 150 mm clearance from other outlets.
• Keep sockets away from heat sources (e.g., ovens).
• Plan extra sockets for heavy appliances (fridge, oven, computers).

Modern Features

• Slim design saves space.
• Durable: fire- and heat-resistant materials.
• Aesthetic options: available in colors/textures (plastic, glass, wood, etc.).

Installation Steps (Quick Guide)

1. Turn off power at breaker.
2. Remove old device, check wire colors (Live, Neutral, Ground).
3. Connect wires to correct terminals.
4. Secure new switch/socket and replace cover plate.
5. Test with voltage tester before use.

Safety Tips

• Use insulated tools and proper PPE.
• Avoid overloading sockets.
• Use quality or Type-C sockets for reliability.
• Hire a licensed electrician if unsure.