The electrician is working in shift and as per company SOP he has to relieve from his shift duty after joining / resuming duty of his next reliever on duty.
If he has not following this SOP and relieve from his shift duty / Charge before joining / resuming duty of his next reliever on duty.
If he has not following this SOP and relieve from his shift duty / Charge before joining / resuming duty of his next reliever on duty.