{"product_id":"1-1-2-deep-4-square-4s-box-welded-with-mko-fb-bracket","title":"1-1\/2” DEEP, 4” SQUARE (4S) BOX WELDED WITH MKO \u0026 FB BRACKET","description":"\u003cdiv style=\"max-width:1120px;margin:0 auto;color:#374151;font-family:inherit;line-height:1.6;\"\u003e\n\u003csection style=\"padding:22px 24px;border:1px solid #E5E7EB;border-top:5px solid #DC0224;border-radius:14px;background:linear-gradient(135deg,#FFFFFF 0%,#F7F7F7 100%);box-shadow:0 4px 14px rgba(17,24,39,0.07);\"\u003e\u003cp style=\"margin:0 0 8px;color:#DC0224;font-size:0.78rem;line-height:1.3;font-weight:800;letter-spacing:0.08em;text-transform:uppercase;\"\u003eExcel Lighting \u0026amp; Electrical Supply Co.\u003c\/p\u003e\n\u003ch2 style=\"margin:0 0 10px;color:#1F2937;font-size:1.35rem;line-height:1.3;font-weight:750;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp style=\"margin:0;color:#4B5563;font-size:1rem;line-height:1.7;\"\u003eOrbit Industries' 4SB-MKO-FB is a welded 4-inch-square, 1-1\/2-inch-deep box with an MKO and FB bracket. It is 16-gauge galvanized steel and is acceptable for use in 2-hour rated walls.\u003c\/p\u003e\u003c\/section\u003e\u003csection style=\"margin:28px 0 0;\"\u003e\u003ch2 style=\"margin:0 0 14px;color:#1F2937;font-size:1.25rem;line-height:1.3;font-weight:700;\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;\"\u003e\n\u003cdiv style=\"background:#FFFFFF;border:1px solid #E5E7EB;border-radius:12px;padding:18px;box-shadow:0 2px 8px rgba(17,24,39,0.06);\"\u003e\n\u003ch3 style=\"margin:0 0 8px;color:#1F2937;font-size:1rem;line-height:1.35;font-weight:700;\"\u003e4-Inch Square, 1-1\/2-Inch Deep\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#4B5563;font-size:0.95rem;line-height:1.6;\"\u003eThis 4S box is 4 inches square and 1-1\/2 inches deep.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFFFFF;border:1px solid #E5E7EB;border-radius:12px;padding:18px;box-shadow:0 2px 8px rgba(17,24,39,0.06);\"\u003e\n\u003ch3 style=\"margin:0 0 8px;color:#1F2937;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eWelded 4S Box with MKO and FB Bracket\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#4B5563;font-size:0.95rem;line-height:1.6;\"\u003eThe welded box includes an MKO and FB bracket; the FB bracket mounts offset (flush) on the flat side of a stud.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFFFFF;border:1px solid #E5E7EB;border-radius:12px;padding:18px;box-shadow:0 2px 8px rgba(17,24,39,0.06);\"\u003e\n\u003ch3 style=\"margin:0 0 8px;color:#1F2937;font-size:1rem;line-height:1.35;font-weight:700;\"\u003e16-Gauge Galvanized Steel\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#4B5563;font-size:0.95rem;line-height:1.6;\"\u003eThe box is specified as 16-gauge steel with a galvanized finish.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFFFFF;border:1px solid #E5E7EB;border-radius:12px;padding:18px;box-shadow:0 2px 8px rgba(17,24,39,0.06);\"\u003e\n\u003ch3 style=\"margin:0 0 8px;color:#1F2937;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eMKO Bonding Suitability up to 600 V\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#4B5563;font-size:0.95rem;line-height:1.6;\"\u003eThe MKO is suitable for bonding without additional bonding means up to 600 V.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFFFFF;border:1px solid #E5E7EB;border-radius:12px;padding:18px;box-shadow:0 2px 8px rgba(17,24,39,0.06);\"\u003e\n\u003ch3 style=\"margin:0 0 8px;color:#1F2937;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eFixture\/Luminaire Support up to 50 lb\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#4B5563;font-size:0.95rem;line-height:1.6;\"\u003eThe listed fixture\/luminaire support load is 50 lb or less.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFFFFF;border:1px solid #E5E7EB;border-radius:12px;padding:18px;box-shadow:0 2px 8px rgba(17,24,39,0.06);\"\u003e\n\u003ch3 style=\"margin:0 0 8px;color:#1F2937;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eUL 514A Conformance\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#4B5563;font-size:0.95rem;line-height:1.6;\"\u003eThe product conforms to UL 514A; the UL file number is E227970.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection style=\"margin:28px 0 0;padding:20px;border:1px solid #E5E7EB;border-left:4px solid #DC0224;border-radius:12px;background:#F9FAFB;\"\u003e\u003ch2 style=\"margin:0 0 12px;color:#1F2937;font-size:1.2rem;line-height:1.3;font-weight:700;\"\u003ePractical Applications\u003c\/h2\u003e\n\u003cul style=\"margin:0;padding-left:20px;color:#4B5563;font-size:0.95rem;line-height:1.55;\"\u003e\n\u003cli style=\"margin:0 0 8px;padding-left:2px;\"\u003eElectrical box use in 2-hour rated walls\u003c\/li\u003e\n\u003cli style=\"margin:0 0 8px;padding-left:2px;\"\u003eFixture or luminaire support at 50 lb or less\u003c\/li\u003e\n\u003cli style=\"margin:0 0 8px;padding-left:2px;\"\u003eMKO bonding without additional means up to 600 V\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\n\u003c\/div\u003e\u003c!-- registry-additional-specifications:start --\u003e\u003csection style=\"margin:28px 0 0;\"\u003e\u003ch2 style=\"margin:0 0 14px;color:#1F2937;font-size:1.25rem;line-height:1.3;font-weight:700;\"\u003eAdditional specifications\u003c\/h2\u003e\n\u003cdiv style=\"margin:0 0 18px;border:1px solid #E5E7EB;border-radius:12px;overflow:hidden;background:#FFFFFF;\"\u003e\n\u003ch3 style=\"margin:0;padding:12px 14px;background:#757575;color:#FFFFFF;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eAdditional specifications · Electrical\u003c\/h3\u003e\n\u003cdiv style=\"width:100%;overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;min-width:420px;border-collapse:collapse;border-spacing:0;font-family:inherit;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eMKO bonding suitability\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eSuitable for bonding without additional bonding means up to 600 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F9FAFB;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eGrounding provisions\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eRaised ground emboss and 10-32 ground screw are excluded on bracketed boxes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 18px;border:1px solid #E5E7EB;border-radius:12px;overflow:hidden;background:#FFFFFF;\"\u003e\n\u003ch3 style=\"margin:0;padding:12px 14px;background:#757575;color:#FFFFFF;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eAdditional specifications · Fire Safety\u003c\/h3\u003e\n\u003cdiv style=\"width:100%;overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;min-width:420px;border-collapse:collapse;border-spacing:0;font-family:inherit;\"\u003e\u003ctbody\u003e\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eWall compatibility\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eAcceptable for use in 2-hour rated walls\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 18px;border:1px solid #E5E7EB;border-radius:12px;overflow:hidden;background:#FFFFFF;\"\u003e\n\u003ch3 style=\"margin:0;padding:12px 14px;background:#757575;color:#FFFFFF;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eAdditional specifications · Compliance\u003c\/h3\u003e\n\u003cdiv style=\"width:100%;overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;min-width:420px;border-collapse:collapse;border-spacing:0;font-family:inherit;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eUL standard conformance\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eConforms to UL 514A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F9FAFB;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eRoHS status\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eRoHS compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eUL file number\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eE227970\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F9FAFB;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eUL conformity\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eUL file E227970; conforms to UL514A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eRoHS compliance\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eRoHS compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 18px;border:1px solid #E5E7EB;border-radius:12px;overflow:hidden;background:#FFFFFF;\"\u003e\n\u003ch3 style=\"margin:0;padding:12px 14px;background:#757575;color:#FFFFFF;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eAdditional specifications · Construction\u003c\/h3\u003e\n\u003cdiv style=\"width:100%;overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;min-width:420px;border-collapse:collapse;border-spacing:0;font-family:inherit;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eSurface treatment\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eGalvanized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F9FAFB;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eGalvanized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eSteel gauge\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003e16 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 18px;border:1px solid #E5E7EB;border-radius:12px;overflow:hidden;background:#FFFFFF;\"\u003e\n\u003ch3 style=\"margin:0;padding:12px 14px;background:#757575;color:#FFFFFF;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eAdditional specifications · Installation\u003c\/h3\u003e\n\u003cdiv style=\"width:100%;overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;min-width:420px;border-collapse:collapse;border-spacing:0;font-family:inherit;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eFB bracket mounting\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eOffset (Flush) mounts on flat side of stud\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F9FAFB;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eFB bracket dimensions\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eLength 7-3\/8; width 1-9\/16 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 18px;border:1px solid #E5E7EB;border-radius:12px;overflow:hidden;background:#FFFFFF;\"\u003e\n\u003ch3 style=\"margin:0;padding:12px 14px;background:#757575;color:#FFFFFF;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eAdditional specifications · Load Rating\u003c\/h3\u003e\n\u003cdiv style=\"width:100%;overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;min-width:420px;border-collapse:collapse;border-spacing:0;font-family:inherit;\"\u003e\u003ctbody\u003e\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eFixture\/luminaire support load\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003e50 or less lb\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003c!-- registry-additional-specifications:end --\u003e\n\u003cdiv data-excel-commodity-members=\"true\"\u003e\n\u003ch3\u003eEquivalent part numbers\u003c\/h3\u003e\n\u003cp\u003e4SB-MKO-FB EACH, TP423\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Orbit Industries","offers":[{"title":"Default Title","offer_id":68229783683183,"sku":"4SB-MKO-FB","price":2.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/8970\/4303\/files\/excel-sku-4sb-mko-fb-each-bf0fe0c7.jpg?v=1794011596","url":"https:\/\/excel-lighting-electrical-supply-co.myshopify.com\/products\/1-1-2-deep-4-square-4s-box-welded-with-mko-fb-bracket","provider":"Excel Lighting \u0026 Electrical Supply, Co.","version":"1.0","type":"link"}