Address
304 North Cardinal St.
Dorchester Center, MA 02124
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM
Outdoor isolating switches (隔离开关) for safe de-energizing and maintenance isolation on MV/HV overhead lines and substations.
Send model, voltage class, quantity or drawing — we quote within 24 hours.

HTV silicone covers for arresters, cutouts & terminals. Custom mold available.
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Gapless ZnO arresters for lightning & switching protection, 10–220 kV.
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Drop-out fuse cutouts for overload & short-circuit protection.
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Composite & porcelain insulators for overhead lines and substations.
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Cold-shrink terminations & joints for MV cables — no heat gun.
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Clamps, connectors & pole-line hardware for HV overhead lines.
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