a fire — SB 3.33.28plugin-autotooltip__small plugin-autotooltip_bigŚrīmad Bhāgavatam 3.33.28

Her body was being taken care of by the spiritual damsels created by her husband, Kardama, and since she had no mental anxiety at that time, her body did not become thin. She appeared just like a fire surrounded by smoke.

fire — Bg. 2.23plugin-autotooltip__small plugin-autotooltip_bigBhagavad-gītā As It Is 2.23

The soul can never be cut into pieces by any weapon, nor can he be burned by fire, nor moistened by water, nor withered by the wind., Bg. 10.23plugin-autotooltip__small plugin-autotooltip_bigBhagavad-gītā As It Is 10.23

Of all the Rudras I am Lord Śiva; of the Yakṣas and Rākṣasas I am the lord of wealth [Kuvera]; of the Vasus I am fire [Agni], and of the mountains I am Meru., SB 9.4.48plugin-autotooltip__small plugin-autotooltip_bigŚrīmad Bhāgavatam 9.4.48

As fire in the forest immediately burns to ashes an angry snake, so, by the previous order of the Supreme Personality of Godhead, His disc, the Sudarśana cakra, immediately burnt to ashes the created demon to protect the Lord's devotee., SB 9.16.28plugin-autotooltip__small plugin-autotooltip_bigŚrīmad Bhāgavatam 9.16.28

Viśvāmitra, the son of Mahārāja Gādhi, was as powerful as the flames of fire. From the position of a kṣatriya, he achieved the position of a powerful brāhmaṇa by undergoing penances and austerities.

fire, electricity — Bg. 15.6plugin-autotooltip__small plugin-autotooltip_bigBhagavad-gītā As It Is 15.6

That abode of Mine is not illumined by the sun or moon, nor by electricity. One who reaches it never returns to this material world.

of the name Pāvaka — SB 4.24.4plugin-autotooltip__small plugin-autotooltip_bigŚrīmad Bhāgavatam 4.24.4

The three sons of Mahārāja Antardhāna were named Pāvaka, Pavamāna and Śuci. Formerly these three personalities were the demigods of fire, but due to the curse of the great sage Vasiṣṭha, they became the sons of Mahārāja Antardhāna. As such, they were as powerful as the fire-gods, and they attained the destination of mystic yoga power, being again situated as the demigods of fire.