Grounding safety, Static electricity can damage circuit boards – Hypertherm THC ArcGlide User Manual
Page 17
Safety and Compliance
SC-17
Safety
GROUNDING SAFETY
Work cable Attach the work cable securely to the
workpiece or the work table with good metal-to-metal
contact. Do not connect it to the piece that will fall away
when the cut is complete.
Work table Connect the work table to an earth
ground, in accordance with appropriate national and
local electrical codes.
Input power
• Be sure to connect the power cord ground wire to
the ground in the disconnect box.
• If installation of the plasma system involves
connecting the power cord to the power supply, be
sure to connect the power cord ground wire properly.
• Place the power cord’s ground wire on the stud first,
then place any other ground wires on top of the
power cord ground. Fasten the retaining nut tightly.
• Tighten all electrical connections to avoid excessive
heating.
STATIC ELECTRICITY CAN DAMAGE CIRCUIT BOARDS
Use proper precautions when handling printed circuit boards:
• Store PC boards in anti-static containers.
• Wear a grounded wrist strap when handling PC boards.