{"product_id":"hydel-msc400tw3-200a-underground-meter-socket-isolated-neutral","title":"Hydel MSC400TW3 Meter Socket Box with Isolated Neutral, 1\/2\" Compression Stud, U\/G, 200A, 600V","description":"\u003cstyle\u003e\n  .mars-hydel-product {\n    font-family: Arial, Helvetica, sans-serif;\n    color: #1f2937;\n    line-height: 1.65;\n    max-width: 100%;\n  }\n  .mars-hydel-product * { box-sizing: border-box; }\n  .mars-hydel-product .mhp-wrap {\n    border: 1px solid #e5e7eb;\n    border-radius: 16px;\n    overflow: hidden;\n    background: #ffffff;\n    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);\n    margin-bottom: 24px;\n  }\n  .mars-hydel-product .mhp-hero {\n    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);\n    padding: 28px 22px;\n    color: #ffffff;\n  }\n  .mars-hydel-product .mhp-kicker {\n    display: inline-block;\n    background: #fbbf24;\n    color: #111827;\n    font-size: 12px;\n    font-weight: 700;\n    text-transform: uppercase;\n    letter-spacing: .5px;\n    padding: 7px 12px;\n    border-radius: 999px;\n    margin-bottom: 14px;\n  }\n  .mars-hydel-product .mhp-hero h2 {\n    color: #ffffff;\n    font-size: 30px;\n    line-height: 1.2;\n    margin: 0 0 10px;\n  }\n  .mars-hydel-product .mhp-hero p {\n    color: #e5e7eb;\n    margin: 0;\n    font-size: 15px;\n  }\n  .mars-hydel-product .mhp-badges {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n    margin-top: 18px;\n  }\n  .mars-hydel-product .mhp-badge {\n    background: rgba(255,255,255,0.1);\n    border: 1px solid rgba(255,255,255,0.18);\n    color: #ffffff;\n    border-radius: 999px;\n    padding: 8px 12px;\n    font-size: 13px;\n    font-weight: 700;\n  }\n  .mars-hydel-product .mhp-section {\n    padding: 24px 22px;\n    border-top: 1px solid #e5e7eb;\n  }\n  .mars-hydel-product .mhp-section:first-child { border-top: 0; }\n  .mars-hydel-product .mhp-grid-2 {\n    display: grid;\n    grid-template-columns: repeat(2, minmax(0,1fr));\n    gap: 18px;\n  }\n  .mars-hydel-product .mhp-grid-3 {\n    display: grid;\n    grid-template-columns: repeat(3, minmax(0,1fr));\n    gap: 14px;\n  }\n  .mars-hydel-product .mhp-card {\n    border: 1px solid #e5e7eb;\n    border-radius: 14px;\n    background: #f8fafc;\n    padding: 16px;\n  }\n  .mars-hydel-product .mhp-card h3,\n  .mars-hydel-product .mhp-card h4 {\n    margin: 0 0 8px;\n    color: #111827;\n    line-height: 1.25;\n  }\n  .mars-hydel-product .mhp-card p {\n    margin: 0;\n    font-size: 14px;\n  }\n  .mars-hydel-product .mhp-alert {\n    background: linear-gradient(90deg, #fef3c7 0%, #fff7ed 100%);\n    border: 1px solid #f59e0b;\n    border-radius: 14px;\n    padding: 18px;\n  }\n  .mars-hydel-product .mhp-alert h3 {\n    margin: 0 0 8px;\n    color: #92400e;\n    font-size: 20px;\n  }\n  .mars-hydel-product .mhp-alert p {\n    margin: 0 0 10px;\n    color: #78350f;\n  }\n  .mars-hydel-product .mhp-alert ul {\n    margin: 0;\n    padding-left: 20px;\n    color: #78350f;\n  }\n  .mars-hydel-product .mhp-note {\n    font-size: 13px;\n    color: #6b7280;\n    margin-top: 10px;\n  }\n\n  .mars-hydel-product .mhp-tabs {\n    margin-top: 8px;\n  }\n  .mars-hydel-product .mhp-tabs input[type=\"radio\"] {\n    display: none;\n  }\n  .mars-hydel-product .mhp-tab-labels {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 8px;\n    margin-bottom: 14px;\n  }\n  .mars-hydel-product .mhp-tab-labels label {\n    display: inline-flex;\n    align-items: center;\n    gap: 8px;\n    cursor: pointer;\n    border: 1px solid #cbd5e1;\n    background: #f8fafc;\n    color: #111827;\n    padding: 12px 14px;\n    border-radius: 10px;\n    font-size: 14px;\n    font-weight: 700;\n    transition: all .2s ease;\n  }\n  .mars-hydel-product .mhp-tab-content {\n    display: none;\n    border: 1px solid #e5e7eb;\n    border-radius: 14px;\n    background: #ffffff;\n    padding: 18px;\n  }\n  #mhp-tab-1:checked ~ .mhp-tab-labels label[for=\"mhp-tab-1\"],\n  #mhp-tab-2:checked ~ .mhp-tab-labels label[for=\"mhp-tab-2\"],\n  #mhp-tab-3:checked ~ .mhp-tab-labels label[for=\"mhp-tab-3\"],\n  #mhp-tab-4:checked ~ .mhp-tab-labels label[for=\"mhp-tab-4\"],\n  #mhp-tab-5:checked ~ .mhp-tab-labels label[for=\"mhp-tab-5\"] {\n    background: #0f172a;\n    color: #ffffff;\n    border-color: #0f172a;\n  }\n  #mhp-tab-1:checked ~ .mhp-panels .mhp-panel-1,\n  #mhp-tab-2:checked ~ .mhp-panels .mhp-panel-2,\n  #mhp-tab-3:checked ~ .mhp-panels .mhp-panel-3,\n  #mhp-tab-4:checked ~ .mhp-panels .mhp-panel-4,\n  #mhp-tab-5:checked ~ .mhp-panels .mhp-panel-5 {\n    display: block;\n  }\n\n  .mars-hydel-product .mhp-table {\n    width: 100%;\n    border-collapse: collapse;\n    margin-top: 10px;\n    font-size: 14px;\n  }\n  .mars-hydel-product .mhp-table th,\n  .mars-hydel-product .mhp-table td {\n    border: 1px solid #e5e7eb;\n    padding: 12px 10px;\n    text-align: left;\n    vertical-align: top;\n  }\n  .mars-hydel-product .mhp-table th {\n    background: #f1f5f9;\n    color: #111827;\n    font-weight: 700;\n  }\n\n  .mars-hydel-product .mhp-list,\n  .mars-hydel-product .mhp-links {\n    margin: 0;\n    padding-left: 20px;\n  }\n  .mars-hydel-product .mhp-list li,\n  .mars-hydel-product .mhp-links li {\n    margin-bottom: 8px;\n  }\n\n  .mars-hydel-product .mhp-downloads {\n    display: grid;\n    grid-template-columns: repeat(2, minmax(0,1fr));\n    gap: 12px;\n    margin-top: 12px;\n  }\n  .mars-hydel-product .mhp-download {\n    display: flex;\n    align-items: center;\n    gap: 12px;\n    text-decoration: none;\n    color: #111827 !important;\n    border: 1px solid #e5e7eb;\n    border-radius: 14px;\n    background: #f8fafc;\n    padding: 14px;\n    font-weight: 700;\n  }\n  .mars-hydel-product .mhp-download:hover {\n    border-color: #94a3b8;\n    background: #f1f5f9;\n  }\n  .mars-hydel-product .mhp-icon {\n    width: 42px;\n    height: 42px;\n    min-width: 42px;\n    border-radius: 10px;\n    display: inline-flex;\n    align-items: center;\n    justify-content: center;\n    background: #fff7ed;\n    border: 1px solid #fdba74;\n    font-size: 20px;\n  }\n\n  .mars-hydel-product .mhp-cta {\n    border: 1px solid #cbd5e1;\n    border-radius: 14px;\n    padding: 18px;\n    background: #f8fafc;\n  }\n  .mars-hydel-product .mhp-cta h3 {\n    margin: 0 0 8px;\n    color: #111827;\n  }\n  .mars-hydel-product .mhp-btn-row {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n    margin-top: 14px;\n  }\n  .mars-hydel-product .mhp-btn {\n    display: inline-block;\n    text-decoration: none;\n    border-radius: 10px;\n    padding: 11px 16px;\n    font-weight: 700;\n    border: 1px solid #d97706;\n    background: #f59e0b;\n    color: #111827 !important;\n  }\n  .mars-hydel-product .mhp-btn-secondary {\n    background: #ffffff;\n    border-color: #cbd5e1;\n  }\n\n  .mars-hydel-product .mhp-faq {\n    border: 1px solid #e5e7eb;\n    border-radius: 14px;\n    overflow: hidden;\n    margin-top: 12px;\n  }\n  .mars-hydel-product .mhp-faq details {\n    border-top: 1px solid #e5e7eb;\n    background: #ffffff;\n  }\n  .mars-hydel-product .mhp-faq details:first-child {\n    border-top: none;\n  }\n  .mars-hydel-product .mhp-faq summary {\n    list-style: none;\n    cursor: pointer;\n    padding: 16px;\n    background: #f8fafc;\n    font-weight: 700;\n    color: #111827;\n  }\n  .mars-hydel-product .mhp-faq summary::-webkit-details-marker {\n    display: none;\n  }\n  .mars-hydel-product .mhp-faq .mhp-faq-body {\n    padding: 16px;\n    color: #374151;\n  }\n\n  .mars-hydel-product a {\n    color: #1d4ed8;\n  }\n\n  @media (max-width: 768px) {\n    .mars-hydel-product .mhp-grid-2,\n    .mars-hydel-product .mhp-grid-3,\n    .mars-hydel-product .mhp-downloads {\n      grid-template-columns: 1fr;\n    }\n    .mars-hydel-product .mhp-hero h2 {\n      font-size: 24px;\n    }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"mars-hydel-product\"\u003e\n\u003cdiv class=\"mhp-wrap\"\u003e\n\u003cdiv class=\"mhp-hero\"\u003e\n\u003cdiv class=\"mhp-kicker\"\u003eOntario Meter Base • Hydel MSC400TW3\u003c\/div\u003e\n\u003ch2\u003eHydel MSC400TW3 200A Underground Meter Socket with Isolated Neutral Capability, 1\/2\" Compression Studs \u0026amp; 2 x 3\" Knockouts\u003c\/h2\u003e\n\u003cp\u003eBuilt for Ontario residential and light commercial service installations, the \u003cstrong\u003eHydel MSC400TW3\u003c\/strong\u003e is a \u003cstrong\u003e200 amp, 600 volt, 4-jaw underground meter base\u003c\/strong\u003e with \u003cstrong\u003e1\/2\" compression studs\u003c\/strong\u003e, \u003cstrong\u003e2 x 3\" knockouts\u003c\/strong\u003e, and a \u003cstrong\u003eCSA\/NEMA 3R enclosure\u003c\/strong\u003e. This model is especially relevant where electricians, contractors, and inspectors are focused on correct neutral bonding practice and isolated neutral requirements at the service entrance.\u003c\/p\u003e\n\u003cdiv class=\"mhp-badges\"\u003e\n\u003cspan class=\"mhp-badge\"\u003e200A\u003c\/span\u003e \u003cspan class=\"mhp-badge\"\u003e600V\u003c\/span\u003e \u003cspan class=\"mhp-badge\"\u003eUnderground Use Only\u003c\/span\u003e \u003cspan class=\"mhp-badge\"\u003e4 Jaw\u003c\/span\u003e \u003cspan class=\"mhp-badge\"\u003e2 x 3\" KO\u003c\/span\u003e \u003cspan class=\"mhp-badge\"\u003e#6–250 MCM CU\/AL\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mhp-section\"\u003e\n\u003cdiv class=\"mhp-alert\"\u003e\n\u003ch3\u003e⚠️ Isolated Neutral Matters in Ontario\u003c\/h3\u003e\n\u003cp\u003eOn many Ontario jobs, installers are specifically looking for meter bases that support \u003cstrong\u003eisolated neutral configurations\u003c\/strong\u003e. That is not just a preference issue — neutral bonding in meter bases is a real inspection and safety topic. When an isolated neutral configuration is used, the bonding conductor and service bonding must still be completed correctly in line with code and utility practice.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydro One’s approved meter-mounting guidance gives preference to isolating the neutral\u003c\/strong\u003e from the meter-mounting device on applicable models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESA bulletins also warn\u003c\/strong\u003e that isolated-neutral meter bases require the correct bonding conductor arrangement to avoid unsafe installations.\u003c\/li\u003e\n\u003cli\u003eThis product page is written to help contractors identify the \u003cstrong\u003eMSC400TW3\u003c\/strong\u003e quickly when isolated-neutral-ready meter bases are being requested.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mhp-note\"\u003eAlways verify final installation details with the current utility metering guide, OESC requirements, and the inspector or utility having jurisdiction before energization.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mhp-section\"\u003e\n\u003cdiv class=\"mhp-grid-3\"\u003e\n\u003cdiv class=\"mhp-card\"\u003e\n\u003ch3\u003e🔌 Underground Service Ready\u003c\/h3\u003e\n\u003cp\u003eDesigned for \u003cstrong\u003eunderground use only\u003c\/strong\u003e, making it suitable for many residential service entrance and meter base replacement applications in Ontario.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mhp-card\"\u003e\n\u003ch3\u003e🧰 Compression Stud Design\u003c\/h3\u003e\n\u003cp\u003eIncludes \u003cstrong\u003e1\/2\" line studs\u003c\/strong\u003e for compression-type wire connectors and supports a \u003cstrong\u003e#6–250 MCM CU\/AL\u003c\/strong\u003e load conductor range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mhp-card\"\u003e\n\u003ch3\u003e🏗️ Key KO Advantage\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eMSC400TW3\u003c\/strong\u003e differs from the standard \u003cstrong\u003eMSC400TW\u003c\/strong\u003e by offering \u003cstrong\u003e2 x 3\" knockouts\u003c\/strong\u003e and a deeper enclosure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mhp-section\"\u003e\n\u003cdiv class=\"mhp-tabs\"\u003e\n\u003cinput type=\"radio\" name=\"mhp-tabs\" id=\"mhp-tab-1\" checked\u003e \u003cinput type=\"radio\" name=\"mhp-tabs\" id=\"mhp-tab-2\"\u003e \u003cinput type=\"radio\" name=\"mhp-tabs\" id=\"mhp-tab-3\"\u003e \u003cinput type=\"radio\" name=\"mhp-tabs\" id=\"mhp-tab-4\"\u003e \u003cinput type=\"radio\" name=\"mhp-tabs\" id=\"mhp-tab-5\"\u003e\n\u003cdiv class=\"mhp-tab-labels\"\u003e\n\u003clabel for=\"mhp-tab-1\"\u003e📋 Overview\u003c\/label\u003e \u003clabel for=\"mhp-tab-2\"\u003e📐 Specifications\u003c\/label\u003e \u003clabel for=\"mhp-tab-3\"\u003e🆚 MSC400TW vs TW3\u003c\/label\u003e \u003clabel for=\"mhp-tab-4\"\u003e📄 Downloads\u003c\/label\u003e \u003clabel for=\"mhp-tab-5\"\u003e❓ FAQs\u003c\/label\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mhp-panels\"\u003e\n\u003cdiv class=\"mhp-tab-content mhp-panel-1\"\u003e\n\u003ch3\u003eHydel MSC400TW3 Meter Socket Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eHydel MSC400TW3\u003c\/strong\u003e is a contractor-focused \u003cstrong\u003e200A underground meter socket\u003c\/strong\u003e for service entrance applications where a \u003cstrong\u003e4-jaw, 600V meter base\u003c\/strong\u003e with \u003cstrong\u003e1\/2\" compression studs\u003c\/strong\u003e and \u003cstrong\u003elarger 3\" knockouts\u003c\/strong\u003e is required. For Ontario electricians, this model is a strong fit for service upgrades, new residential builds, and meter base replacements where conduit size and isolated neutral considerations matter.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eBecause many electricians search by exact part number, common buying phrases for this unit include: \u003cstrong\u003eHydel MSC400TW3\u003c\/strong\u003e, \u003cstrong\u003e200 amp underground meter socket\u003c\/strong\u003e, \u003cstrong\u003emeter base with isolated neutral\u003c\/strong\u003e, \u003cstrong\u003eOntario meter base 200A\u003c\/strong\u003e, and \u003cstrong\u003eHydel 2 x 3\" KO meter socket\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cul class=\"mhp-list\"\u003e\n\u003cli\u003eIdeal for \u003cstrong\u003eunderground service entrance installations\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eUseful where \u003cstrong\u003e3\" knockout openings\u003c\/strong\u003e are preferred over 2-1\/2\"\u003c\/li\u003e\n\u003cli\u003eSupports Ontario-focused searches around \u003cstrong\u003eisolated neutral meter base\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSuitable for contractors, builders, panel upgrade specialists, and electrical wholesalers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mhp-tab-content mhp-panel-2\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"mhp-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eHydel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eMSC400TW3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eUnderground (U\/G) meter socket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmperage Rating\u003c\/td\u003e\n\u003ctd\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e600V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaw Configuration\u003c\/td\u003e\n\u003ctd\u003e4 Jaw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine Connection\u003c\/td\u003e\n\u003ctd\u003e1\/2\" compression studs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductor Range\u003c\/td\u003e\n\u003ctd\u003eNo. 6 – 250 MCM CU\/AL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKnockouts\u003c\/td\u003e\n\u003ctd\u003e2 x 3\" KO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eCSA \/ NEMA 3R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e18\" H x 12\" W x 5-1\/8\" D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e17 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eFor underground use only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"mhp-grid-2\" style=\"margin-top: 18px;\"\u003e\n\u003cdiv class=\"mhp-card\"\u003e\n\u003ch4\u003eTypical Ontario Applications\u003c\/h4\u003e\n\u003cul class=\"mhp-list\"\u003e\n\u003cli\u003eResidential service upgrades\u003c\/li\u003e\n\u003cli\u003eNew home electrical service installations\u003c\/li\u003e\n\u003cli\u003eMeter base replacements\u003c\/li\u003e\n\u003cli\u003eLight commercial underground metering setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mhp-card\"\u003e\n\u003ch4\u003eWhy Contractors Choose This Model\u003c\/h4\u003e\n\u003cul class=\"mhp-list\"\u003e\n\u003cli\u003eExact-part-number demand in the field\u003c\/li\u003e\n\u003cli\u003eLarger \u003cstrong\u003e3\" KO\u003c\/strong\u003e configuration\u003c\/li\u003e\n\u003cli\u003eHydel brand familiarity in Ontario\u003c\/li\u003e\n\u003cli\u003eSupports isolated-neutral-focused buying requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mhp-tab-content mhp-panel-3\"\u003e\n\u003ch3\u003eHydel MSC400TW vs Hydel MSC400TW3\u003c\/h3\u003e\n\u003cp\u003eThe main difference between these two Hydel meter bases is the \u003cstrong\u003eknockout configuration\u003c\/strong\u003e and resulting enclosure depth. That distinction is important when the conduit layout on the job calls for \u003cstrong\u003e3\" knockouts\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ctable class=\"mhp-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eMSC400TW\u003c\/th\u003e\n\u003cth\u003eMSC400TW3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmperage\u003c\/td\u003e\n\u003ctd\u003e200A\u003c\/td\u003e\n\u003ctd\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e600V\u003c\/td\u003e\n\u003ctd\u003e600V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eUnderground\u003c\/td\u003e\n\u003ctd\u003eUnderground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaw Configuration\u003c\/td\u003e\n\u003ctd\u003e4 Jaw\u003c\/td\u003e\n\u003ctd\u003e4 Jaw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine Connection\u003c\/td\u003e\n\u003ctd\u003e1\/2\" compression studs\u003c\/td\u003e\n\u003ctd\u003e1\/2\" compression studs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKnockouts\u003c\/td\u003e\n\u003ctd\u003e2 x 2-1\/2\" KO\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2 x 3\" KO\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e4-3\/4\"\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e5-1\/8\"\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNeutral Focus\u003c\/td\u003e\n\u003ctd\u003eUsed where neutral bonding\/isolation practice is relevant\u003c\/td\u003e\n\u003ctd\u003eUsed where neutral bonding\/isolation practice is relevant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"mhp-note\"\u003eChoose \u003cstrong\u003eMSC400TW3\u003c\/strong\u003e when the job specifically calls for the \u003cstrong\u003e2 x 3\" knockout version\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 14px; padding: 14px 16px; border: 1px solid #e5e7eb; border-radius: 12px; background: #f8fafc;\"\u003e\n\u003cstrong style=\"display: block; margin-bottom: 6px; color: #111827;\"\u003eNeed the 2-1\/2\" knockout version?\u003c\/strong\u003e\n\u003cp style=\"margin: 0; color: #374151; line-height: 1.6;\"\u003eIf your project requires the standard enclosure depth and \u003cstrong\u003e2 x 2-1\/2\" knockouts\u003c\/strong\u003e, view the \u003ca href=\"\/products\/products-hydel-msc400tw-200a-underground-meter-socket-isolated-neutral\" style=\"font-weight: bold; text-decoration: none;\"\u003e Hydel MSC400TW meter socket \u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mhp-tab-content mhp-panel-4\"\u003e\n\u003ch3\u003eDownloads \u0026amp; Resources\u003c\/h3\u003e\n\u003cp\u003eUse the documents below to review product details, drawing references, and Hydel’s broader service entrance product range.\u003c\/p\u003e\n\u003cdiv class=\"mhp-downloads\"\u003e\n\u003ca class=\"mhp-download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0288\/7273\/6802\/files\/MSC400TW3_Shop_Drawing.pdf?v=1773663259\" rel=\"noopener\" target=\"_blank\"\u003e \u003cspan class=\"mhp-icon\"\u003e📐\u003c\/span\u003e \u003cspan\u003eMSC400TW3 Shop Drawing\u003c\/span\u003e \u003c\/a\u003e \u003ca class=\"mhp-download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0288\/7273\/6802\/files\/Hydel_2024_Fullline_Digital.pdf?v=1773662478\" rel=\"noopener\" target=\"_blank\"\u003e \u003cspan class=\"mhp-icon\"\u003e📘\u003c\/span\u003e \u003cspan\u003eHydel 2024 Full Line Catalogue\u003c\/span\u003e \u003c\/a\u003e \u003ca class=\"mhp-download\" href=\"https:\/\/shopmarsled.com\/collections\/electric-meter-bases\" rel=\"noopener\" target=\"_blank\"\u003e \u003cspan class=\"mhp-icon\"\u003e⚡\u003c\/span\u003e \u003cspan\u003eBrowse All Electric Meter Bases\u003c\/span\u003e \u003c\/a\u003e \u003ca class=\"mhp-download\" href=\"https:\/\/shopmarsled.com\/pages\/shipping-policy\" rel=\"noopener\" target=\"_blank\"\u003e \u003cspan class=\"mhp-icon\"\u003e🚚\u003c\/span\u003e \u003cspan\u003eMarsLED Shipping Policy\u003c\/span\u003e \u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mhp-grid-2\" style=\"margin-top: 18px;\"\u003e\n\u003cdiv class=\"mhp-card\"\u003e\n\u003ch4\u003eWhat the shop drawing helps confirm\u003c\/h4\u003e\n\u003cul class=\"mhp-list\"\u003e\n\u003cli\u003eOverall box size and depth\u003c\/li\u003e\n\u003cli\u003eBottom knockout arrangement\u003c\/li\u003e\n\u003cli\u003eCompression stud layout\u003c\/li\u003e\n\u003cli\u003eAssembly reference details\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mhp-card\"\u003e\n\u003ch4\u003eWhat the Hydel catalogue helps confirm\u003c\/h4\u003e\n\u003cul class=\"mhp-list\"\u003e\n\u003cli\u003eMSC400TW3 part-number listing\u003c\/li\u003e\n\u003cli\u003e2 x 3\" KO distinction vs MSC400TW\u003c\/li\u003e\n\u003cli\u003e200A \/ 600V \/ 4-jaw configuration\u003c\/li\u003e\n\u003cli\u003e#6–250 MCM CU\/AL conductor range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mhp-tab-content mhp-panel-5\"\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdiv class=\"mhp-faq\"\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eIs the Hydel MSC400TW3 an underground meter socket?\u003c\/summary\u003e\n\u003cdiv class=\"mhp-faq-body\"\u003eYes. The \u003cstrong\u003eMSC400TW3\u003c\/strong\u003e is listed for \u003cstrong\u003eunderground use only\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between MSC400TW and MSC400TW3?\u003c\/summary\u003e\n\u003cdiv class=\"mhp-faq-body\"\u003eThe key difference is the \u003cstrong\u003eknockout and depth configuration\u003c\/strong\u003e. The \u003cstrong\u003eMSC400TW\u003c\/strong\u003e uses \u003cstrong\u003e2 x 2-1\/2\" KO\u003c\/strong\u003e with a shallower enclosure, while the \u003cstrong\u003eMSC400TW3\u003c\/strong\u003e uses \u003cstrong\u003e2 x 3\" KO\u003c\/strong\u003e and is deeper.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes this meter base use compression studs?\u003c\/summary\u003e\n\u003cdiv class=\"mhp-faq-body\"\u003eYes. The Hydel MSC400TW3 comes with \u003cstrong\u003e1\/2\" compression studs\u003c\/strong\u003e for compression-type wire connectors.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhy is isolated neutral important on Ontario jobs?\u003c\/summary\u003e\n\u003cdiv class=\"mhp-faq-body\"\u003eNeutral bonding at the meter base is an active code, inspection, and utility issue. Ontario installers often look for models that support proper isolated-neutral practice because utilities and ESA guidance place attention on how the neutral is bonded or isolated and how the service bonding conductor is completed.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat conductor range does the MSC400TW3 support?\u003c\/summary\u003e\n\u003cdiv class=\"mhp-faq-body\"\u003eThe listed load conductor range is \u003cstrong\u003eNo. 6 to 250 MCM CU\/AL\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the Hydel MSC400TW3 approved for Ontario underground electrical service installations?\u003c\/summary\u003e\n\u003cdiv class=\"mhp-faq-body\"\u003eYes. The Hydel MSC400TW3 is a 200A underground meter socket commonly used for residential service installations across Ontario where isolated neutral meter bases are required for proper bonding and inspection compliance.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mhp-section\"\u003e\n\u003cdiv class=\"mhp-cta\"\u003e\n\u003ch3\u003eContractor Pricing for Meter Bases \u0026amp; Service Entrance Products\u003c\/h3\u003e\n\u003cp\u003eWorking on a service upgrade, custom home, or multi-unit electrical project in Ontario? Contact MarsLED for \u003cstrong\u003ebulk pricing, contractor support, and product sourcing\u003c\/strong\u003e on Hydel meter bases and related electrical distribution products.\u003c\/p\u003e\n\u003cdiv class=\"mhp-btn-row\"\u003e\n\u003ca class=\"mhp-btn\" href=\"tel:+19058789997%20or%2015198936666\"\u003eCall 905-878-9997 or 519-893-6666\u003c\/a\u003e \u003ca class=\"mhp-btn mhp-btn-secondary\" href=\"mailto:sales@marsled.ca\"\u003eEmail.sales@marsledcanada.com\u003c\/a\u003e \u003ca class=\"mhp-btn mhp-btn-secondary\" href=\"https:\/\/shopmarsled.com\/collections\/electric-meter-bases\"\u003eShop Meter Bases\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eSupplying Electricians Across Ontario\u003c\/h3\u003e\n\u003cp\u003eMarsLED supplies Hydel meter bases and electrical service equipment to electricians and contractors across Toronto, Mississauga, Brampton, Vaughan, Markham, Richmond Hill, Oakville, Burlington, Hamilton, Milton, Kitchener-Waterloo, Cambridge, Guelph, London, Ottawa, Barrie, Kingston, Oshawa, Whitby and Ajax.\u003c\/p\u003e\n\u003cp\u003eContractors performing service upgrades, underground electrical installations, and residential electrical service work rely on MarsLED for reliable supply of Hydel meter bases including the MSC400TW3.\u003c\/p\u003e\n\u003cdiv class=\"mhp-section\"\u003e\n\u003ch3\u003eExplore More Electrical Service Products\u003c\/h3\u003e\n\u003cul class=\"mhp-links\"\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/shopmarsled.com\/collections\/electric-meter-bases\"\u003eBrowse all electric meter bases\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/shopmarsled.com\/collections\/electrical\"\u003eShop electrical products at MarsLED\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/shopmarsled.com\/pages\/shipping-policy\"\u003eReview MarsLED shipping information\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hydel","offers":[{"title":"Default Title","offer_id":46009494536381,"sku":null,"price":94.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0288\/7273\/6802\/files\/d682cb94ea889fa4_Large_295347b9-5fda-4f51-bb22-6f4eb42be5bd.png?v=1727397991","url":"https:\/\/shopmarsled.com\/products\/hydel-msc400tw3-200a-underground-meter-socket-isolated-neutral","provider":"MARS LED","version":"1.0","type":"link"}