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2.4.3 Examples of Electrical Connections
WARNING
Electric Shock Hazard
To prevent serious injury or death:
●
ALWAYS follow all applicable electrical codes of the local
authority having jurisdiction.
●
In the absence of such requirements, follow the latest
edition of the National Electrical Code (NFPA 70) in the USA
or the latest edition of CSA C22.1 Canadian Electrical Code
Part 1 in Canada.
●
ONLY licensed professionals should connect the electrical
components.
●
ALWAYS label all wires before disconnecting them when you
work on the controls.
●
Wiring errors can cause improper and dangerous operation.
●
ALWAYS verify proper operation after servicing.
Note
The installation must comply with National Electrical
Code and any other national, state, provincial or local
codes or regulations. In Canada, CSA C22.1 Canadian
Electrical Code Part 1, and any local codes.
Wiring must be N.E.C. Class 1. If original wiring as
supplied with boiler must be replaced, use only type
105 °C wire or equivalent.
Boiler must be electrically grounded as required by
National Electrical Code ANSI/NFPA 70 – latest edition.
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