Label Placement cont'd

DOE-STD-1044-93

If possible, the text of all labels should be oriented as shown in Figure 1a. Labels for

vertical runs of piping and conduit may require that the label be oriented vertically.

When vertical labels are necessary, the text should be oriented as shown in Figure 1b.

Labels should never be oriented like those shown in Figure 1c.

ZN-690

Figure 1a. Preferred

Figure 1b. Acceptable

Figure 1c. Unacceptable

orientation for all labels.

orientation for vertical

label orientation.

labels.

Labels should be readable from the normal operating location or position (i.e., an

operator should not be required to manipulate the label before reading it). The

character height of label text should be based on the reading distance, available

illumination, and importance of the information.

C The minimum character height for good illumination environments can be

determined by multiplying the nominal reading distance by 0.004. For example, if

the nominal reading distance for an operator standing directly in front of a panel is

28 inches, the minimum label character height would be 0.112 inches (0.004 x 28

inches).

C The preferred height for label characters giving critical information or in areas of

adverse illumination is 0.006 times the reading distance. For example, if the

reading distance is 28 inches, the preferred character height would be 0.168 inches

(0.006 x 28 inches).