GMJ 6035 electrical flashcard NEW

Front

Which document should be referred to for specific wiring details of domestic heating controls? Options: Manufactures Instructions, Building Regulations, Wiring Regulations, User Instructions

Back

Manufactures Instructions

Front

Most likely supply voltage type and rating used for central heating circulating pump? Options: 220 V a.c., 110 V d.c., 230 V a.c., 230 V d.c.

Back

230 V a.c.

Front

Which voltage is found on a low voltage central heating wiring system? Options: 24 V a.c., 24 V d.c., 12 V d.c., 110 V a.c.

Back

12 V d.c.

Front

What type of domestic electrical circuit is shown in the following diagram?

Back

Ring Main Circuit

Front

Which earthing arrangement uses an installation earth electrode as part of the fault path? Options: TN-C, TN-C-S, TT, TN-S

Back

TT

Front

Which conductor connects an installation's Main Earthing Terminal to the incoming metallic Water Supply Service Pipe?

Back

Main Protective Bonding Conductor

Front

Which conductor connects two water pipes in a bathroom? Options: Circuit Protective Conductor, High Integrity Protective Conductor, Main Protective Bonding Conductor, Supplementary Bonding Conductor

Back

Supplementary Bonding Conductor

Front

Which protective device operates under earth fault conditions only?

Back

RCD

Front

Identify the protective device in the image which operates when the system is overloaded?

Back

Circuit breaker

Front

Cartridge fuse selection for 230v domestic heating control system with 600 Watts load.

Back

3 A