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What do zinc anodes do?

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When is a thin film solar panel a better solution than a crystalline solar panel?

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When should you use a sine wave filter?

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What is the purpose of a surge arrestor?

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1: What do zinc anodes do?
They detect when water disappears
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1: What do zinc anodes do?
They help prevent corrosion in the motor
1: What do zinc anodes do?
They ensure that the motor is cooled
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2: When is a thin film solar panel a better solution than a crystalline solar panel?
In cold conditions
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2: When is a thin film solar panel a better solution than a crystalline solar panel?
In windy conditions
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2: When is a thin film solar panel a better solution than a crystalline solar panel?
In cloudy conditions
3: When should you use a sine wave filter?
With an external frequency drive connecting to a motor lower than 250VAC
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3: When should you use a sine wave filter?
With an external frequency drive connecting to a motor higher than 380VAC
3: When should you use a sine wave filter?
Whenever you want
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4: What is the purpose of a surge arrestor?
It protects against nearby lightning strikes and thunderstorms
4: What is the purpose of a surge arrestor?
It allows you to safely disconnect the power for service
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4: What is the purpose of a surge arrestor?
It prevents the motor from wearing out
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