Skip to main content

G0B12:What is the purpose of a power supply interlock?

G0B12G0B

What is the purpose of a power supply interlock?

Direct answer summary (2023-2027 NCVEC pool)

The official correct answer for G0B12 is To ensure that dangerous voltages are removed if the cabinet is opened.

The key fact is To ensure that dangerous voltages are removed if the cabinet is opened. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.

← G0B11G0B13 →

More questions in G0B

G0B01Which wire or wires in a four-conductor 240 VAC circuit should be attached to fuses or circuit breakers?G0B02According to the National Electrical Code, what is the minimum wire size that may be used safely for wiring with a 20-ampere circuit breaker?G0B03Which size of fuse or circuit breaker would be appropriate to use with a circuit that uses AWG number 14 wiring?G0B04Where should the station’s lightning protection ground system be located?G0B05Which of the following conditions will cause a ground fault circuit interrupter (GFCI) to disconnect AC power?G0B06Which of the following is covered by the National Electrical Code?