FeaturesFixtures operate safely in high ambient temperaturesAvailable for fire alarm hearing impairedWireless design threading fixture unit onto mounting hood makes electrical connection the only wiring required is attaching two wires to connection block in mounting hoodSafe, easy servicing or replacement without disconnecting any wiringAcme double lead threads do not stick or gall and require only half as many turns as single lead threads when installing or removing fixture from mounting hoodAll threaded joints are flame-tightHeat and impact resistant globes have smooth dust resistant exteriorFixture is suitable for mounting globe up or globe down utilizing pendant, ceiling or wall bracket type mountsFactory sealed - no external seals requiredPrismatic glass globesDiode polarized (current limiter supplied as standard)3/4 in NPT hub