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<p>What are the codes or practices which stipulates safety of users and appliances from electricity,over voltage,transient,leakage,surge etc by incorporating SPD or EL devices?.</p>
Surge protective devices (SPD) assist in the protection
of valuable electrical and electronic equipment against
transients, originating from lightning and also from switching
sources.Use the SPD devices be care fully and authorized personal used. All the cable joints are insulated and checks all the electrical appliances emergency switches use appropriate circuit breakers for better protection system
