AT&T Door Phone Controller - Manual (Page 20)

8 . WARNING: RISK OF ELECTRICAL SHOCK –
EQUIPMENT MUST BE PROPERLY GROUNDED.
Your AT&T equipment requires a properly grounded
three-prong power receptacle for safe operation. Have
the receptacle checked by a qualified electrician before
connecting this equipment. Do not cut or remove the
third (ground) prong from the power transformer. Do
not use two-prong extension cords or adapters to
defeat the safety features of this equipment. If you
have a two-prong receptacle, it must be replaced with
a three-prong receptacle, installed by a qualified
electrician.
9. Do not allow anything to rest on the power cord. Do not
locate this product where the cord will be abused by per-
sons walking on it.
10. Do not overload wall outlets and extension cords as this
can result in the risk of fire or electric shock.
11. Never push objects of any kind into this product through
cabinet slots as they may touch dangerous voltage
points or short out parts that could result in a risk of fire
or electric shock. Never spill liquid of any kind on the
product.
12. To reduce the risk of electric shock, do not disassemble
this product, but take it to a qualified serviceman when
some service or repair work is required. Opening or
removing covers may expose you to dangerous voltages
or other risks. Incorrect reassembly can cause electric
shock when the appliance is subsequently used.
13. Unplug this product from the wall outlet and refer servic-
ing to qualified service personnel under the following
conditions:
A. When the power supply cord or plug is damaged or
frayed.
B. If liquid has been spilled into the product.
2-4 Installation Procedures