Enclosure grounding, 5 enclosure grounding – Alpha Technologies Radium MiniBay User Manual
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044-001-C0-00, Rev. C
Lightning Protection (Optional)
• 1/2" x 8' copper ground rod, four places, driven about 2 feet (typical) from the corners of
the pad.
• #2 bare copper wire loop terminated to each ground rod and buried a minimum of 30
inches below grade. Corrosion-proof connections (25+ year life-span) and hardware
suitable for direct burial MUST be used.
• #2 bare copper wire from loop to the enclosure.
• When the electrical supply is a primary service (not a secondary or feeder service) a
#2 bare copper wire must bond the lightning protection loop to the Grounding Electrode
Conductor where they are closest.
• Service Grounding (required), #6 bare copper wire from Service Neutral/Ground Bar with
2 ground rods located 6' apart.
4.0
Site Preparation, continued
4.5 Enclosure Grounding
It is the responsibility of the installer to ensure the requirements of all applicable national and local codes are
met. Alpha Technologies assumes no responsibility or liability for failure of the installer to comply with the
requirements of all applicable local and national codes.
Alpha Technologies recommends using the grounding method illustrated below. The grounding method for a
particular site is dependant upon soil type, available space, local codes, NEC (National Electric Code), and
other site-specific characteristics.
NOTE:
NOTE:
Fig. 4-11, Suggested Grounding
2 f
ee
t
(m
in)
Connection made with Burndy connector
(P/N YGHR58C2W- or equivalent)
Connection made with Burndy connector
(P/N YGHP58C2W-2TN or equivalent)
Terminate at enclosure ground
#2 AWG
Enclosure Footprint