American Dryer Corp. AD-115ES - Manual (Page 36)

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4. Grounding
Grounding (earth) connections must be provided and installed in accordance with state and local codes. In
the absence of the codes, grounding must conform to applicable requirements of the National Electric Code
ANSI/NFPA NO.70 LATEST EDITION, or in CANADA, the Canadian Electrical Codes Parts 1 & 2 CSA
C22.1-1990 or LATEST EDITION. The ground connection may be to a proven earth ground at the location
service panel.
NOTE: A grounding connection (terminal lug) is provided in the dryer's electrical service and relay box
at the rear, upper left hand corner of the dryer.
For added personal safety, when possible, it is suggested that a separate ground wire (sized per local codes)
be connected from the ground connection of the dryer to a grounded cold water pipe. DO NOT ground to
a gas or hot water pipe. The grounded cold water pipe must have metal to metal connections all the way
to electrical ground. If there are any nonmetallic interruptions, such as a meter, pump, plastic, rubber, or
other insulating connectors, they must be jumped out with no. 4 copper wire and securely clamped to bare
metal at both ends.
IMPORTANT: For personal safety and proper operation, the dryer must be grounded. For proper
operation of the microprocessor (computer), an earth (zero) ground is required.
NOTE: Grounding via metallic electrical conduit (pipe) is not recommended.