Fiberglass junction boxes are reckoned for their excellent electrical conductivity, less thermal insulation level and harsh operating condition enduring capacity. These types of enclosures are highly durable and these remain functional for years. Closed type structure of these fiberglass cases is useful to hide electrical wires and also to safeguard these wires against negative polarity of current that can be otherwise proves to be damaging for the entire electrical network of any building. Fiberglass junction boxes are considered as vital part of circuit safety arrangement for better integrity of electrical circuit. These types of junction boxes are effective in avoiding short circuit inside circuit boxes in case of outbreak of fire.