TASK DEFINITION: Translate the given Spanish text to English
PROBLEM: The outer body (3) is applied to the inner body (2) by co-molding.

SOLUTION: El cuerpo externo (3) es aplicado al cuerpo interno (2) por comoldeo.

PROBLEM: The piercing connector receives and electrically connects two or more conductors.

SOLUTION: El conector perforante recibe y conecta eléctricamente dos o más conductores.

PROBLEM: The device has a compact construction and is sealed against dust and humidity.

SOLUTION:
El aparato presenta una construcción compacta y sellada al polvo y la humedad.