NEC 151944 system manual Static Electricity Guard

• When setting switches on circuit card

CIRCUIT

CARD

• When carrying circuit card

CIRCUIT

CARD

Wear a wrist strap and perform work on a grounded conductive work surface.

CONDUCTIVE

POLYETHYLENE

BAG

When carrying a circuit card around, keep the card in a conductive polyethylene bag.

Figure 3-1 Static Electricity Guard (Continued)

The symbol shown in Figure 3-2designates procedures in which circuit cards are handled. When engaging in such work, the installer must be careful not to cause damage by static electricity.

ATTENTION

Contents

Static Sensitive

Handling

Precautions Required

	Figure 3-2 Static-Sensitive Attention Symbol
CHAPTER 3	ND-46550 (E)
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Revision 2.0