Part P Bathroom Zone Regulations

Question 1

How many zones are defined in a bathroom containing a fixed bath under BS 7671?

Accepted Answer

Three: Zone 0, Zone 1 and Zone 2 (plus an area outside the zones)

Answer

Two: Zone 0 and Zone 1

Answer

Four zones

Answer

One single zone

Question 2

What is Zone 0 in a bathroom?

Accepted Answer

The interior of the bath or shower tray itself — the area always in contact with water

Answer

The area above the bath

Answer

The entire bathroom floor area

Answer

The area within 0.6 m of any water outlet

Question 3

What minimum IP rating is required for electrical equipment in Zone 0?

Accepted Answer

IPX7 (protection against temporary immersion)

Answer

IPX4

Answer

IPX2

Answer

IP44

Question 4

What is Zone 1 in a bathroom with a fixed bath?

Accepted Answer

The area above the bath tub to a height of 2.25 m above the floor, extending over the full width and length of the bath

Answer

The area within 0.6 m horizontally outside the bath

Answer

The area of the entire bathroom floor

Answer

The area behind the bath panel

Question 5

What electrical equipment is permitted in Zone 1 of a bathroom?

Accepted Answer

Only equipment with a minimum IPX4 rating, supplied at SELV, or shower units and bath heaters rated for Zone 1 use

Answer

Any standard equipment

Answer

No electrical equipment of any kind

Answer

Only battery-operated equipment

Question 6

What is Zone 2 in a bathroom?

Accepted Answer

The area extending 0.6 m horizontally from the edge of Zone 1 and up to 2.25 m in height

Answer

The area directly above the shower head

Answer

The entire bathroom beyond Zone 1

Answer

The area below the bath