Figure 1-8.-DANGER tag (colored RED).

Figure 1-8.-DANGER tag (colored RED).

types of labels used on instruments, OUT-OF-

All supply switches or cutout switches from

CALIBRATION and OUT-OF-COMMISSION. The

which power could be fed should be secured in the off

decision as to which label to use is made on a

or open (safety) position and red tagged. Circuit

case-by-case basis.

breakers should have a handle locking device

installed as shown in figure 1-9. The proper use of red

tags cannot be overstressed. When possible, double

Out of Calibration

red tags should be used, such as tagging open the main

power supply breaker and removing and tagging the

OUT-OF-CALIBRATION labels (NAVSHIPS

removal of fuses of the same power supply.

9210/6) are orange labels (fig. 1-10) used to identify

instruments that are out of calibration and will not

LABELS

give accurate measurements. In general, if the

instrument error is small and consistent, an OUT-OF-

CALIBRATION label may be used. This label

Labels are used to warn operating or maintenance

indicates that the instrument may be used, but only

personnel that an instrument is unreliable or is

with extreme caution.

not in normal operating condition. There are two

1-9