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BATTERY CHARGING - AC CONNECTIONS8.
For grounded, cord-connected battery chargers with an input rating 8.1
less than 15 amperes and intended for use on a nominal 120-volt
circuit:
This battery charger is for use on a nominal 120-volt circuit, and has a •
grounding plug that looks like the plug illustrated in sketch A in Figure
8.3. A temporary adapter, which looks like the adapter illustrated in
sketches B and C, may be used to connect this plug to a two-pole recep-
tacle as shown in sketch B if a properly grounded outlet is not available.
The temporary adapter should be used only until a properly grounded
outlet can be installed by a qualied electrician.
DANGER – Before using adapter as illustrated, be certain that center
screw of outlet plate is grounded. The green-colored rigid ear or lug ex
tending from adapter must be connected to a properly grounded outlet–
make certain it is grounded. If necessary, replace original outlet cover
plate screw with a longer screw that will secure adapter ear or lug to out-
let cover plate and make ground connection to grounded outlet.Recom-
mended minimum awg size for extension cords for battery chargers:
8.2
AWG Size of Cord 25 50 100 150
Length of Cord, Feet 18 18 18 16
8.3
Grounding Methods