Guide to Part 7: Special Installations and Locations

What Makes Part 7 Special?

Part 7 of BS 7671 contains the second-largest question bank with 145 questions in our app. It covers electrical installations in locations that present increased risk of electric shock or other hazards.

Key Special Locations

Section 701 - Bathrooms and Shower Rooms

One of the most commonly tested special locations:

• Zone system: Understanding zones 0, 1, and 2 is essential
• IP ratings: Required ingress protection for each zone
• Supplementary bonding: When it is and isn’t required
• RCD requirements: 30mA RCD protection for all circuits

Section 702 - Swimming Pools

Similar to bathrooms but with stricter requirements:

• Extended zone definitions
• Additional restrictions on equipment types
• Specific requirements for underwater lighting

Section 708 - Construction Sites

Requirements for temporary installations:

• Reduced low voltage systems
• Enhanced protective measures
• Portable equipment considerations

Section 711 - Exhibitions and Shows

Temporary installations with public access:

• Additional safety requirements
• Emergency lighting provisions
• Specific earthing arrangements

Section 721 - Caravans and Motor Caravans

Mobile installations require:

• Specific socket outlet types
• Additional protective measures
• Connection requirements

Study Approach

Part 7 contains many specific requirements that are easy to confuse between different locations. We recommend:

1. Study one location at a time - Don’t try to learn all locations simultaneously
2. Create comparison tables - Note the differences between similar locations
3. Focus on zone requirements - These are the most commonly tested
4. Remember the IP ratings - Each zone has specific requirements

Practice Makes Perfect

With 145 questions on special installations, our Part 7 practice quiz covers every location type. Regular practice will help you remember the specific requirements for each location.

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