Delta 31-750 User Manual download pdf (Page 10)

Fig. 19Fig. 18

GROUNDED OUTLET BOX

CURRENT

CARRYING

PRONGS

GROUNDING BLADE IS

LONGEST OF THE 3 BLADES

GROUNDED OUTLET BOX

GROUNDING MEANS

ADAPTER

In the event of a malfunction or breakdown, grounding

provides a p ath of least resist ance for electric current to

reduce the risk of electric shock. This tool is equipped

with an electric cord having an equipment-grounding con -

ductor and a grounding plug. The plug must be plugged

into a matching outlet that is properly inst alled and

grounded in accordance with all local codes and ordi -

nances.

Do not modify the plug provided - if it will not fit the out -

let, have the proper outlet inst alled by a qualified electri -

cian.

Improper connection of the equipment-grounding con-

ductor can result in risk of electric shock. The conductor

with insulation having an outer surface that is green with

or without yellow stripes is the equipment-grounding con-

ductor. If rep air or replacement of the electric cord or plug

is necessary, do not connect the equipment grounding

conductor to a live terminal.

Check with a qualified electrician or service personnel if

the grounding instructions are not completely under -

stood, or if in doubt as to whether the tool is properly

grounded.

GROUNDING INSTRUCTIONS

CAUTION: THIS TO O L MUST BE GROUNDED WHILE IN USE

TO PROTECT THE OPERATOR FROM ELECTRIC SHOCK.

Use only 3-wire extension cords that have 3-prong

grounding type plugs and 3-hole recept acles that accept

the tool’s plug, as shown in Fig. 18.

R e p air or replace damaged or worn cord immediately.

This tool is intended for use on a circuit that has an out -

let and a plug that looks like the one shown in Fig. 18.

A temporary adapter, which looks like the adapter illus -

trated in Fig. 19, may be used to connect this plug to a

2-pole recept acle, as shown in Fig. 19, if a properly

grounded outlet is not available. The temporary adapter

should be used only until a properly grounded outlet can

be inst alled by a qualified electrician. THIS ADAPTER IS

NOT APPLICABLE IN CANADA. The green-colored

rigid ear , lug, and the like, extending from the adapter

must be connected to a permanent ground, such as a

properly grounded outlet box, as shown in Fig. 19.

CAUTION: IN A L L CASES, MAKE CERTAIN THE RE-

CEPTACLE IN QUESTION IS PROPERLY GROUNDED.

IF YOU ARE NOT SURE HAVE A CERTIFIED ELEC-

TRICIAN CHECK THE RECEPTACLE.

Fig. 20

TO TAL LENGTH OF

CORD IN FEET

0 - 25

26 - 50

51 - 100

101 - 150

GAGE OF EXTENSION

CORD TO USE

18 A W G

16 A W G

14 A W G

12 A W G

EXTENSION CORDS

Use proper extension cords. Make sure your extension

cord is in good condition and is a 3-wire extension cord

which has a 3-prong grounding type plug and a 3-pole

recept acle which will accept the tool s plug. When using

an extension cord, be sure to use one heavy enough to

carry the current of the sander . An undersized cord will

cause a drop in line volt age resulting in loss of power and

overheating. Fig. 20, shows the correct gage to use de-

pending on cord length. If in doubt, use the next heavier

gage. The smaller the gage number, the heavier the cord.

1 2 ... 5 6 7 8 9 10 11 12

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Delta 31-750 User Manual Page 10

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