Juniper PTX10008 Hardware Manual page 392

General Safety Guidelines and Warnings
The following guidelines help ensure your safety and protect the device from damage. The list of guidelines
might not address all potentially hazardous situations in your working environment, so be alert and exercise
good judgment at all times.
Perform only the procedures explicitly described in the hardware documentation for this device. Make
sure that only authorized service personnel perform other system services.
Keep the area around the device clear and free from dust before, during, and after installation.
Keep tools away from areas where people could trip over them while walking.
Do not wear loose clothing or jewelry, such as rings, bracelets, or chains, which could become caught
in the device.
Wear safety glasses if you are working under any conditions that could be hazardous to your eyes.
Do not perform any actions that create a potential hazard to people or make the equipment unsafe.
Never attempt to lift an object that is too heavy for one person to handle.
Never install or manipulate wiring during electrical storms.
Never install electrical jacks in wet locations unless the jacks are specifically designed for wet
environments.
Operate the device only when it is properly grounded.
Ensure that the separate protective earthing terminal provided on this device is permanently connected
to earth.
Replace fuses only with fuses of the same type and rating.
Do not open or remove chassis covers or sheet-metal parts unless instructions are provided in the
hardware documentation for this device. Such an action could cause severe electrical shock.
Do not push or force any objects through any opening in the chassis frame. Such an action could result
in electrical shock or fire.
Avoid spilling liquid onto the chassis or onto any device component. Such an action could cause electrical
shock or damage the device.
Avoid touching uninsulated electrical wires or terminals that have not been disconnected from their
power source. Such an action could cause electrical shock.
Some parts of the chassis, including AC and DC power supply surfaces, power supply unit handles, SFB
card handles, and fan tray handles might become hot. The following label provides the warning of the
hot surfaces on the chassis:
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