An OOW is asked to re-energise a circuit that was isolated for mast work earlier in the day, and the isolation tag has been removed. Before proceeding, what should the OOW check?

A. The weather forecast, in case work aloft is still scheduled later

B. Whether the original electrician is still on board to give verbal confirmation

C. Only that the tag has been physically removed from the breaker

D. The master log of permits in force, to confirm there isn't a separate, still-active height or hot-work permit for the same job that depends on that circuit remaining isolated

A. There is no fixed maximum — it depends entirely on the job

B. 48 hours, renewable once without re-inspection

C. 24 hours from issue, with any shorter job-specific time limits also stated on the permit

D. 7 days, matching the standard watch rotation

A. Accept the outgoing OOW's assessment and take no further action since the job scope hasn't changed

B. Cancel the job immediately without consulting the authorising officer

C. Wait until the 24-hour mark is actually reached before mentioning anything

D. Check elapsed time against the 24-hour limit, recognise it's close to expiry, and flag to the authorising officer that revalidation will be needed rather than letting it lapse unnoticed