TruSens M1252 Pendulum Switch

AC - Alternating Current

Diameter - A measurement across a circle passing through the middle

heavy - A concept of weight indicating an item may require some effort to lift or move

Mercury - A small planet 46.8 -69.4 million kilometres from the sun. It is the closest planet to the sun.

Safety - prevents damage being caused.

Alternative - Another available choice or possibility

Pendulum - A heavy hung weight that swings back and forth, for example in a clock.

Simple - Basic, easy no difficulty in understanding.

Voltage - A measurement of volts.

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