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Installing the Passport 4400 Passport 4400 Hardware Installation Manual
2-5
Powering Up an ac Unit
The power cord supplied with your unit should be one of the following:
• A molded three-prong power cord with an appropriate connector to match
the power outlet in your country, as shown in the figure entitled “Power
cord — Grounded.”
• A power cord with a two-prong power connector and a green-with-yellow
stripe ground wire as shown in the examples in the figure entitled “Power
cord — Ungrounded” on page 2-5. Since the power outlet is not grounded,
contact an electrician to connect the green-with-yellow stripe wire to a
fixed earth grounding point.
Figure 2-6. Power cord — Grounded
Figure 2-7. Power cord — Ungrounded
Warning
:
!
Before the unit is powered up or turned on, make sure there is a
separate ground wire connection between the unit chassis and
input power source ground.
Country-specific
Typical
three-wire
power cord
connector
Two wire
power cord
Two prong
power connector
To a fixed earth
ground point
<0.5 ohms
_
Green with yellow stripe
ground wire
Three wire
power cord
Two prong
power connector
<0.5 ohms
_
Green with yellow stripe
ground wire
To a fixed earth
ground point