Elec ppt 3

Which circuits are consumer units designed to serve?

• Parallel circuits

• Series circuits

• Radial and ring final circuits

• Open circuits

What is the significance of 'earth' in cable types?

• It refers to the cable's color

• It indicates grounding capability

• It describes the cable's length

• It specifies the cable's flexibility

What is the purpose of the flex being heat-resistant?

• To allow higher current flow

• To prevent damage and brittleness

• To reduce weight

• To increase flexibility

What is the capacity in amps for a 6.0mm twin and earth (CPC) cable?

• 11A

• 18A

• 32A

• 43A

What is the primary use of a galvanised steel cable tray?

• To insulate cables

• To support and protect cables

• To conduct electricity

• To connect circuits

Which containment type is most suitable for environments where aesthetics are important?

• Galvanised steel conduit

• Dado trunking

• Galvanised steel trunking

• Galvanised steel cable tray

What are back boxes (pattress boxes) and joint boxes used for?

• To fix fascias or outlets and securely join cables

• To store electrical tools

• To increase electrical current

• To decorate walls

Which box is used to fix fascias or outlets?

• Back boxes

• Wiring centre box

• Bakerlite jointing box

• Plastic surface mounted jointing box

Which type of fascia includes a neon indicator?

• Plastic fan isolator switch

• Pull cord switch for shower

• Plastic unswitched fused spur

• Brushed steel single switched socket outlet

What type of switch is used for showers?

• Plastic switched fused spur

• Pull cord switch

• Cooker switch with socket outlet

• Brushed steel single switched socket outlet