In order to provide time delay between stages of electric heat, the controls that are used are called ____________________.
Fill in the blank(s) with the appropriate word(s).
sequencers
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When supporting insulated pipelines, use a _____ with a clevis.
a. spring can b. shield c. trapeze d. pipe clamp
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Voltage in a transformer moves from the primary winding to the secondary winding by conductance
Indicate whether the statement is true or false
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DWV copper stands for drain, waste and vent and is also a lightweight copper not typically used in the HVAC/R industry as far as refrigerant-carrying applications are concerned.
Answer the following statement true (T) or false (F)
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Both lockout and tagout devices are required when isolating equipment.
Answer the following statement(s) true (T) or false (F)
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