Safety Instructions
VT300 Technical Manual, Rev. A4
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TM-VT300-EN
Safety Instructions
The following instructions serve as a general guide for the safe operation and
maintenance of the VT300.
Safety Symbols
This symbol indicates potential safety hazards regarding product operation
or maintenance to operator or service personnel.
General Safety Practices
Do not touch or tamper with the power supply when the power cord is connected.
Line voltages may be present even when the product is powered off or a fuse is
blown.
Before working on equipment connected to power lines or to other devices, remove
jewelry or any other metallic object that may come into contact with energized
parts.
The product is intended to be grounded during normal use. Grounding is provided
by connecting the mains plug to a wall socket with a protective earth terminal. The
earth lug provided on the product should be connected to the protective earth at
all times, by a wire with a diameter of 18AWG or wider.
Always connect the ground first and disconnect it last. Do not connect data cables
to ungrounded equipment. Make sure that all other cables are disconnected before
disconnecting the ground.
Special Safety Warnings
Welding on or in the vicinity of the equipment is strictly prohibited.
Use reliable lightening conductors to prevent static loads caused by
thunderstorms.