Horner APG QX651 OCS - Manual (Page 20)

CH. 3 MAN0798-04-EN
August 20, 2009 Page 20 of 95 ECN # 979
3.3.1
Panel Layout Design and Clearance Checklist:
The following list provides highlights of panel layout design factors.
____Meets the electrical code and applicable standards for proper grounding, etc.?
____Meets the panel manufacturer’s requirements for grounding, etc.?
____Is the panel box properly connected to earth ground? Is the panel door properly grounded? Has the
appropriate procedure been followed to properly ground the devices in the panel box and on the
panel door?
____Are minimum clearance requirements met? (See Table 3.1.) Can the panel door be easily opened
and closed? Is there adequate space between device bases as well as the sides of the panel and
wiring ducts?
____Is the panel box deep enough to accommodate the QX / BP?
____Is there adequate ventilation? Is the ambient temperature range maintained? Are cooling or heating
devices required?
____Are noise suppression devices or isolation transformers required? Is there adequate distance
between the base of the QX / BP and noisy devices such as relays or motor starters? Ensure that
power and signal wires are not routed in the same conduit.
____Are there other requirements that impact the particular system, which need to be considered?