What it is: the molded injection tee for the BEA tee chains. AllBulbs molded rubber Y, 12/3 SOOW, three legs. Cut every leg to 18 in from the molded body and terminate NL4 on every leg. Terminate 12 of the 16 on hand: 9 in service + 3 spare; the other 4 stay blunt in stock.
Wire map — POWER ONLY, all legs common conductor to conductor
Conductor (verify at bench)
NL4 pin
Function
Black
1+
+24V leg 1
Red
2+
+24V leg 2
White
1−
shared GND (V−)
—
2−
EMPTY, capped and labeled
Where it goes
Position
Leg roles
Bottom run at a mid-span column
feed in from above · one lead to each LED segment side (segments never tie together)
Upper runs at an END column
feed in from above · one lead to the arriving segment · through leg continues down the chain
It is only a 2fer on the ends: end columns use 2fers at every tee position. Mid-span columns use 3fers above the bottom run. Chain drawing: bea.kg3.io/power.