Your search for "Watt Stopper B277E-P Power Pack - Input 277 VAC" revealed the following:

Core Lighting LSA-DCA-F - DC PLUGIN ADAPTOR (FEMALE) | INDOOR

Leviton 2733 - 30 Amp, 480 Volt 3-Phase, NEMA L16-30R, 3P, 4W, Locking Connector, Industrial Grade, Grounding - BLACK-WHITE

Leviton 2433 - 20 Amp, 480 Volt 3-Phase, NEMA L16-20R, 3P, 4W, Locking Connector, Industrial Grade, Grounding - BLACK-WHITE

Cyber Tech Lighting LFEP-KIT LED Security Flood Photocell Kit

Core Lighting LSA-DCA-M - DC PLUGIN ADAPTOR (MALE) INDOOR

Leviton 80414 - Decora QuickPort Multimedia Insert

Lutron CON-1C Cable Jack

Siemens QN2200RH 200-amp 2-Pole Main Circuit Breaker

Leviton 2723 - 30 Amp, 250 Volt 3-Phase, NEMA L15-30R, 3P, 4W, Locking Connector, Industrial Grade, Grounding - BLACK-WHITE

GM Lighting UCTUN-QB Quick-Box

Enerlites 66460-BK - INDUSTRIAL GRADE, LOCKING RECEPTACLE, 30A, 250V, 2-POLE, 3-WIRE, NEMA L6-30R

ELCO EC804W Two Circuit L Connector White

GM Lighting V120-ECC End Cap Covers (2) for Aluminum Channel with Lens- White

Leviton 2323 - Locking Connector, 20 Amp, 250 Volt, Industrial Grade - Black & White

ELCO EC804B Two Circuit L Connector Black

Wattstopper S120/277/347E-P Power Pack, 120, 277, 347 VAC, 20 A auxiliary pack

Wattstopper BZ-200 Power Pack, 120-277V, 50/60Hz,24VDC, 225mA,

Wattstopper BZ-250 Power Pack, 120-277V,50/60Hz 24VDC, 225mA, with Auto/ Man

Wattstopper BZ-150 Power Pack, 120-277V, 50/60Hz,24VDC, 225mA, with Auto-On/Man

Wattstopper BZ-50 Power Pack, 120-277V, 50/60Hz,24VDC, 225mA